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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 吡啶并嘧啶类

    吡啶并嘧啶类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl (3R)-6-chloro-3,4-dihydro-2H-chromene-3-carboxylate —— C19H15ClN2O4
    (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl (3R)-6-chloro-3,4-dihydro-2H-chromene-3-carboxylate
    —— (5Z)-3-[(2S)-butan-2-yl]-5-[[2-(2-methoxyethylamino)-7-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C20H24N4O3S2
    (5Z)-3-[(2S)-butan-2-yl]-5-[[2-(2-methoxyethylamino)-7-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-5-[[2-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[(1R)-1-phenylethyl]-2-sulfanylidene-1,3-thiazolidin-4-one —— C26H26N4O3S2
    (5Z)-5-[[2-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[(1R)-1-phenylethyl]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2S)-butan-2-yl]-5-[[7-methyl-2-[(4-methylphenyl)methylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C25H26N4O2S2
    (5Z)-3-[(2S)-butan-2-yl]-5-[[7-methyl-2-[(4-methylphenyl)methylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 6-imino-13-methyl-7-(3-morpholin-4-ylpropyl)-2-oxo-N-[(1R)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C28H32N6O3
    6-imino-13-methyl-7-(3-morpholin-4-ylpropyl)-2-oxo-N-[(1R)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— 7-(3-ethoxypropyl)-2,6-dioxo-N-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C22H26N4O5
    7-(3-ethoxypropyl)-2,6-dioxo-N-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— 2-methylpropyl (4R)-4-(2-chloro-4-oxopyrido[1,2-a]pyrimidin-3-yl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate —— C18H19ClN4O4
    2-methylpropyl (4R)-4-(2-chloro-4-oxopyrido[1,2-a]pyrimidin-3-yl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate
    —— (5Z)-3-[(2R)-butan-2-yl]-5-[[7-methyl-2-(4-methylpiperidin-1-yl)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H28N4O2S2
    (5Z)-3-[(2R)-butan-2-yl]-5-[[7-methyl-2-(4-methylpiperidin-1-yl)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2R)-butan-2-yl]-5-[[9-methyl-4-oxo-2-(propylamino)pyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C20H24N4O2S2
    (5Z)-3-[(2R)-butan-2-yl]-5-[[9-methyl-4-oxo-2-(propylamino)pyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2R)-butan-2-yl]-5-[(9-methyl-4-oxo-2-piperidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H26N4O2S2
    (5Z)-3-[(2R)-butan-2-yl]-5-[(9-methyl-4-oxo-2-piperidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2R)-butan-2-yl]-5-[[9-methyl-2-(3-morpholin-4-ylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C24H31N5O3S2
    (5Z)-3-[(2R)-butan-2-yl]-5-[[9-methyl-2-(3-morpholin-4-ylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-5-[[2-[[(2R)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C19H20N4O3S2
    (5Z)-5-[[2-[[(2R)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2S)-2-ethylhexyl]-5-[[2-[2-(2-hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C24H32N4O4S2
    (5Z)-3-[(2S)-2-ethylhexyl]-5-[[2-[2-(2-hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2S)-butan-2-yl]-5-[[9-methyl-2-(3-morpholin-4-ylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C24H31N5O3S2
    (5Z)-3-[(2S)-butan-2-yl]-5-[[9-methyl-2-(3-morpholin-4-ylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2-chlorophenyl)methyl]-5-[[2-[(3R,5R)-3,5-dimethylpiperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C26H25ClN4O2S2
    (5Z)-3-[(2-chlorophenyl)methyl]-5-[[2-[(3R,5R)-3,5-dimethylpiperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl 4-chloro-3-[[(2R)-oxolan-2-yl]methylsulfamoyl]benzoate —— C21H20ClN3O6S
    (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl 4-chloro-3-[[(2R)-oxolan-2-yl]methylsulfamoyl]benzoate
    —— (5Z)-5-[[2-[[(2S)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C19H20N4O3S2
    (5Z)-5-[[2-[[(2S)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2R)-butan-2-yl]-5-[[2-[(2S,6S)-2,6-dimethylmorpholin-4-yl]-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H28N4O3S2
    (5Z)-3-[(2R)-butan-2-yl]-5-[[2-[(2S,6S)-2,6-dimethylmorpholin-4-yl]-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-3-[(2-chlorophenyl)methyl]-5-[[2-[[(2S)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H21ClN4O3S2
    (5Z)-3-[(2-chlorophenyl)methyl]-5-[[2-[[(2S)-1-hydroxybutan-2-yl]amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 6-imino-13-methyl-7-(2-morpholin-4-ylethyl)-2-oxo-N-[(1R)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C27H30N6O3
    6-imino-13-methyl-7-(2-morpholin-4-ylethyl)-2-oxo-N-[(1R)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— 6-imino-N-(3-methoxypropyl)-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C22H27N5O4
    6-imino-N-(3-methoxypropyl)-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— (5Z)-3-[[(2S)-oxolan-2-yl]methyl]-5-[(4-oxo-2-pyrrolidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C21H22N4O3S2
    (5Z)-3-[[(2S)-oxolan-2-yl]methyl]-5-[(4-oxo-2-pyrrolidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 6-imino-11-methyl-2-oxo-7-[[(2S)-oxolan-2-yl]methyl]-N-[(1S)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C26H27N5O3
    6-imino-11-methyl-2-oxo-7-[[(2S)-oxolan-2-yl]methyl]-N-[(1S)-1-phenylethyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— (5Z)-3-[(2S)-butan-2-yl]-5-[[9-methyl-4-oxo-2-[[(2R)-oxolan-2-yl]methylamino]pyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H26N4O3S2
    (5Z)-3-[(2S)-butan-2-yl]-5-[[9-methyl-4-oxo-2-[[(2R)-oxolan-2-yl]methylamino]pyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 7-(3-ethoxypropyl)-2,6-dioxo-N-[[(2S)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C22H26N4O5
    7-(3-ethoxypropyl)-2,6-dioxo-N-[[(2S)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— 7-[2-(2-hydroxyethoxy)ethyl]-6-imino-11-methyl-2-oxo-N-[[(2S)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C22H27N5O5
    7-[2-(2-hydroxyethoxy)ethyl]-6-imino-11-methyl-2-oxo-N-[[(2S)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— (5Z)-3-[(2R)-2-ethylhexyl]-5-[[2-[2-(2-hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C24H32N4O4S2
    (5Z)-3-[(2R)-2-ethylhexyl]-5-[[2-[2-(2-hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-5-[[2-[(3S,5R)-3,5-dimethylpiperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[(4-fluorophenyl)methyl]-2-sulfanylidene-1,3-thiazolidin-4-one —— C26H25FN4O2S2
    (5Z)-5-[[2-[(3S,5R)-3,5-dimethylpiperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[(4-fluorophenyl)methyl]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-5-[(2-{[(4-Methoxyphenyl)methyl]amino}-9-methyl-4-oxo-4H-pyrido[1,2-A]pyrimidin-3-YL)methylidene]-3-methyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H20N4O3S2
    (5Z)-5-[(2-{[(4-Methoxyphenyl)methyl]amino}-9-methyl-4-oxo-4H-pyrido[1,2-A]pyrimidin-3-YL)methylidene]-3-methyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (3Z)-2-[4-(difluoromethylsulfanyl)phenyl]imino-3-[[2-(4,6-dimethylpyrimidin-2-yl)hydrazinyl]methylidene]-9-methylpyrido[1,2-a]pyrimidin-4-one —— C23H21F2N7OS
    (3Z)-2-[4-(difluoromethylsulfanyl)phenyl]imino-3-[[2-(4,6-dimethylpyrimidin-2-yl)hydrazinyl]methylidene]-9-methylpyrido[1,2-a]pyrimidin-4-one
    —— 7-methyl-2-[[(3S)-3-(trifluoromethyl)piperidin-1-yl]methyl]pyrido[1,2-a]pyrimidin-4-one —— C16H18F3N3O
    7-methyl-2-[[(3S)-3-(trifluoromethyl)piperidin-1-yl]methyl]pyrido[1,2-a]pyrimidin-4-one
    —— 4-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-2-phenyl-N-[4-(trifluoromethyl)phenyl]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxamide —— C27H28F3N5O2
    4-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-2-phenyl-N-[4-(trifluoromethyl)phenyl]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxamide
    —— (3,5-dimethoxyphenyl)-[4-[(2S,6S)-2,6-dimethylmorpholin-4-yl]-2-phenyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl]methanone —— C28H32N4O4
    (3,5-dimethoxyphenyl)-[4-[(2S,6S)-2,6-dimethylmorpholin-4-yl]-2-phenyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl]methanone
    —— (3,4-dichlorophenyl)-[4-[(2R,6R)-2,6-dimethylmorpholin-4-yl]-2-phenyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl]methanone —— C26H26Cl2N4O2
    (3,4-dichlorophenyl)-[4-[(2R,6R)-2,6-dimethylmorpholin-4-yl]-2-phenyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl]methanone
    —— ethyl 1-{3-[(1E)-2-cyano-3-ethoxy-3-oxoprop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate —— C23H26N4O5
    ethyl 1-{3-[(1E)-2-cyano-3-ethoxy-3-oxoprop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate
    —— 3-[(Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(4-methoxybenzyl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H24N4O3S2
    3-[(Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(4-methoxybenzyl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-benzylsulfanyl-3-[(Z)-(phenylhydrazinylidene)methyl]pyrido[1,2-a]pyrimidin-4-one —— C22H18N4OS
    2-benzylsulfanyl-3-[(Z)-(phenylhydrazinylidene)methyl]pyrido[1,2-a]pyrimidin-4-one
    —— 6-imino-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-N-(pyridin-3-ylmethyl)-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C24H24N6O3
    6-imino-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-N-(pyridin-3-ylmethyl)-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— N-cyclopentyl-6-imino-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide —— C23H27N5O3
    N-cyclopentyl-6-imino-13-methyl-2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide
    —— 4-hydroxy-N-[3-[(2R)-2-methylpiperidin-1-yl]propyl]-2-oxopyrido[1,2-a]pyrimidine-3-carboxamide —— C18H24N4O3
    4-hydroxy-N-[3-[(2R)-2-methylpiperidin-1-yl]propyl]-2-oxopyrido[1,2-a]pyrimidine-3-carboxamide
    —— 5-[(2R)-butan-2-yl]sulfanyl-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4-dione —— C16H23N3O2S
    5-[(2R)-butan-2-yl]sulfanyl-1,3-dimethyl-6-propylpyrido[2,3-d]pyrimidine-2,4-dione
    —— (2R)-N-(7-chloro-2-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl)-2-phenylbutanamide —— C19H18ClN3O2
    (2R)-N-(7-chloro-2-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl)-2-phenylbutanamide
    —— (5Z)-5-({4-Oxo-2-[(2-phenylethyl)amino]-4H-pyrido[1,2-A]pyrimidin-3-YL}methylidene)-3-(propan-2-YL)-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H22N4O2S2
    (5Z)-5-({4-Oxo-2-[(2-phenylethyl)amino]-4H-pyrido[1,2-A]pyrimidin-3-YL}methylidene)-3-(propan-2-YL)-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (2R)-2-[[4-methyl-5-[(2-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl)methyl]-1,2,4-triazol-3-yl]sulfanyl]-N-phenylpropanamide —— C22H22N6O2S
    (2R)-2-[[4-methyl-5-[(2-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl)methyl]-1,2,4-triazol-3-yl]sulfanyl]-N-phenylpropanamide
    —— 3-{(Z)-[3-(1,1-dioxidotetrahydrothiophen-3-yl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-(octylamino)-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H32N4O4S3
    3-{(Z)-[3-(1,1-dioxidotetrahydrothiophen-3-yl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-(octylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (7R)-7-methyl-3-(2-methylpropyl)-2-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one —— C24H26N4O2S2
    (7R)-7-methyl-3-(2-methylpropyl)-2-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one
    —— (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl 2-[(3-chlorophenyl)methylsulfanyl]acetate —— C18H15ClN2O3S
    (4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl 2-[(3-chlorophenyl)methylsulfanyl]acetate
    —— 3-{(Z)-[3-(3-ethoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H32N4O4S2
    3-{(Z)-[3-(3-ethoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— ethyl 1-{3-[(E)-2-(1H-benzimidazol-2-yl)-2-cyanoethenyl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate —— C27H26N6O3
    ethyl 1-{3-[(E)-2-(1H-benzimidazol-2-yl)-2-cyanoethenyl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate
    —— 3-{(Z)-[3-(4-methoxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C26H26N4O4S2
    3-{(Z)-[3-(4-methoxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one