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二氮杂萘

中文名称 英文名称 CAS号 化学式 结构式图片
—— (9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H20N4O4
(9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6,6-trimethyl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C20H22N4O3
(9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6,6-trimethyl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-dimethyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H20N4O3
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-dimethyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9R)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O3S
(6S,9R)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(4-methoxyphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C26H26N4O4S
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(4-methoxyphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9R)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H21ClN4O3S
(6S,9R)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2R)-2-[2,5-dimethyl-1-[[(2S)-oxolan-2-yl]methyl]pyrrol-3-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one —— C21H24F3N3O2
(2R)-2-[2,5-dimethyl-1-[[(2S)-oxolan-2-yl]methyl]pyrrol-3-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H17F3N4O3
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-propan-2-ylphenyl)-2-propylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C29H32N4O3S
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-propan-2-ylphenyl)-2-propylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C21H18N4O4
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O4
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2S)-2-(2-prop-2-enoxyphenyl)-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one —— C19H17F3N2O2
(2S)-2-(2-prop-2-enoxyphenyl)-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one
—— (6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-(4-methylphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C26H26N4O4
(6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-(4-methylphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-(4-methylphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C26H26N4O4
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-(4-methylphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-2-pyridin-3-yl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H23N5O3
(9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-2-pyridin-3-yl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H20N4O3
(9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O3S
(6S,9S)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C23H22N4O4S
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C23H22N4O4S
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(furan-2-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9S)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H23ClN4O3S
(6R,9S)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2R)-N,N-dimethyl-2-[4-oxo-3-[[(2R)-oxolan-2-yl]methyl]quinazolin-2-yl]sulfanylpropanamide —— C18H23N3O3S
(2R)-N,N-dimethyl-2-[4-oxo-3-[[(2R)-oxolan-2-yl]methyl]quinazolin-2-yl]sulfanylpropanamide
—— (2S)-2-[5-chloro-3-methyl-1-(2-methylpropyl)pyrazol-4-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one —— C18H20ClF3N4O
(2S)-2-[5-chloro-3-methyl-1-(2-methylpropyl)pyrazol-4-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(furan-2-yl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C22H20N4O4
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(furan-2-yl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9R)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H22N4O3S
(9R)-2-benzylsulfanyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2S)-2-[2,5-dimethyl-1-(5-methyl-1,2-oxazol-3-yl)pyrrol-3-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one —— C20H19F3N4O2
(2S)-2-[2,5-dimethyl-1-(5-methyl-1,2-oxazol-3-yl)pyrrol-3-yl]-3-(2,2,2-trifluoroethyl)-1,2-dihydroquinazolin-4-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H19F3N4O3
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-diphenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C29H24N4O3
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-diphenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9S)-2-benzyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H22N4O3
(9S)-2-benzyl-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(4-methoxyphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C26H26N4O4S
(6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-(4-methoxyphenyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-propan-2-ylphenyl)-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C27H25F3N4O3
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-propan-2-ylphenyl)-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C20H22N4O4
(6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methoxymethyl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C23H20N4O3
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— 3-[[(2R)-oxolan-2-yl]methyl]-2-[[(2S)-oxolan-2-yl]methylsulfanyl]quinazolin-4-one —— C18H22N2O3S
3-[[(2R)-oxolan-2-yl]methyl]-2-[[(2S)-oxolan-2-yl]methylsulfanyl]quinazolin-4-one
—— (9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H20N4O3
(9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(hydroxymethyl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H20N4O4
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(hydroxymethyl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O3S
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-phenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2S)-2-[3-[2-(cyclohexen-1-yl)ethyl]-4-oxoquinazolin-2-yl]sulfanyl-N-ethylpropanamide —— C21H27N3O2S
(2S)-2-[3-[2-(cyclohexen-1-yl)ethyl]-4-oxoquinazolin-2-yl]sulfanyl-N-ethylpropanamide
—— (6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C19H17F3N4O3
(6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-2-(trifluoromethyl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-2-pyridin-4-yl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C28H23N5O3
(6S,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-phenyl-2-pyridin-4-yl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-propylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C27H28N4O4S
(6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-propylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (2S)-3-(2,2,2-trifluoroethyl)spiro[1H-quinazoline-2,8'-3,6-dihydro-2H-[1,4]dioxino[2,3-f]indole]-4,7'-dione —— C19H14F3N3O4
(2S)-3-(2,2,2-trifluoroethyl)spiro[1H-quinazoline-2,8'-3,6-dihydro-2H-[1,4]dioxino[2,3-f]indole]-4,7'-dione
—— (6R,9S)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C23H19ClN4O3
(6R,9S)-6-(4-chlorophenyl)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-diphenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C29H24N4O3
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,6-diphenyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C20H22N4O3S
(6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethylsulfanyl-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C18H18N4O3
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O4
(6R,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C18H18N4O3S
(9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methylsulfanyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C25H24N4O4
(6R,9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-(4-methoxyphenyl)-2-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C18H18N4O3
(6S,9R)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6-methyl-5,6,7,9-tetrahydro-1H-[1,2,4]triazolo[5,1-b]quinazolin-8-one
—— (9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-2-pyridin-4-yl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one —— C24H23N5O3
(9S)-9-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,6-dimethyl-2-pyridin-4-yl-1,5,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8-one