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    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18N6O6
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C24H21N5O5
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-5-(4-bromophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18BrN5O4
    (5R,6S)-5-(4-bromophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(3,4-dimethylanilino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C24H21N5O4
    (5R,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(3,4-dimethylanilino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2,5-dimethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2,5-dimethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluorophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18FN5O4
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluorophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-5-(3-chlorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18ClN5O4
    (5S,6S)-5-(3-chlorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C22H24N6O5
    (5R,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17FN6O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-4,7-dioxo-2-(2-phenylethylamino)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C24H21N5O4
    (5S,6R)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-4,7-dioxo-2-(2-phenylethylamino)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17FN6O6
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-hydroxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H19N5O5
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-hydroxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18N6O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(4-propan-2-ylphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O4
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(4-propan-2-ylphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-5-(2-chloro-6-fluorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17ClFN5O4
    (5S,6R)-5-(2-chloro-6-fluorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— 5-(5-chloro-2-methoxyphenyl)-3-[3-(4-methoxyphenoxy)propylsulfanyl]-1H-1,2,4-triazole —— C19H20ClN3O3S
    5-(5-chloro-2-methoxyphenyl)-3-[3-(4-methoxyphenoxy)propylsulfanyl]-1H-1,2,4-triazole
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-naphthalen-1-yl-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C27H21N5O4
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-naphthalen-1-yl-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C22H24N6O5
    (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(1H-indol-3-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H20N6O4
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(1H-indol-3-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18N6O6
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-hydroxy-3-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C24H21N5O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-hydroxy-3-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(4-propan-2-ylphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O4
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(4-propan-2-ylphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-5-(3,5-difluorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17F2N5O4
    (5S,6S)-5-(3,5-difluorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-[4-(2-methylpropyl)phenyl]-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C27H27N5O4
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-[4-(2-methylpropyl)phenyl]-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(4-methylpiperidin-1-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C22H23N5O4
    (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(4-methylpiperidin-1-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17FN6O6
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2-fluoro-5-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-ethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O5
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-ethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2-prop-2-enoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H23N5O5
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2-prop-2-enoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-ethylphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O4
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-ethylphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(3,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(3,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(1H-indol-3-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H20N6O4
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(1H-indol-3-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-methylthiophen-2-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C22H19N5O4S
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-methylthiophen-2-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-5-[4-(diethylamino)phenyl]-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C27H28N6O4
    (5S,6R)-5-[4-(diethylamino)phenyl]-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(3,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(3,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18N6O6
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-ethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O5
    (5S,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-ethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2,4-dimethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(2,4-dimethoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(furan-2-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C21H17N5O5
    (5S,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(furan-2-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-[4-(2-methylpropyl)phenyl]-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C27H27N5O4
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-[4-(2-methylpropyl)phenyl]-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6R)-5-[(1R)-cyclohex-3-en-1-yl]-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H23N5O4
    (5S,6R)-5-[(1R)-cyclohex-3-en-1-yl]-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-ethoxy-4-hydroxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C25H23N5O6
    (5R,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(3-ethoxy-4-hydroxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-5-(2,4-dichlorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H17Cl2N5O4
    (5R,6R)-5-(2,4-dichlorophenyl)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C23H18N6O6
    (5R,6R)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-nitrophenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C24H21N5O5
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-5-(4-methoxyphenyl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,3,4-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,3,4-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(4-benzylpiperidin-1-yl)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C28H27N5O4
    (5S,6S)-2-(4-benzylpiperidin-1-yl)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5R,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C22H24N6O5
    (5R,6S)-5-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(2-morpholin-4-ylethylamino)-4,7-dioxo-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
    —— (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile —— C26H25N5O7
    (5S,6S)-2-(2,3-dihydro-1,4-benzodioxin-6-ylmethylamino)-4,7-dioxo-5-(2,4,5-trimethoxyphenyl)-1,5,6,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile