摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

二氮杂萘

中文名称 英文名称 CAS号 化学式 结构式图片
—— [(2R)-butan-2-yl]-[(1R)-1-(4-oxo-3H-quinazolin-2-yl)ethyl]azanium —— C14H20N3O+
[(2R)-butan-2-yl]-[(1R)-1-(4-oxo-3H-quinazolin-2-yl)ethyl]azanium
—— [(1S)-1-(4-oxo-3H-quinazolin-2-yl)ethyl]-propan-2-ylazanium —— C13H18N3O+
[(1S)-1-(4-oxo-3H-quinazolin-2-yl)ethyl]-propan-2-ylazanium
—— 7-chloro-3-methyl-2-[(1S)-1-[(3S)-3-methylpiperazine-1,4-diium-1-yl]ethyl]quinazolin-4-one —— C16H23ClN4O+2
7-chloro-3-methyl-2-[(1S)-1-[(3S)-3-methylpiperazine-1,4-diium-1-yl]ethyl]quinazolin-4-one
—— ethyl-[(1R)-1-[3-(4-methoxyphenyl)-4-oxoquinazolin-2-yl]ethyl]azanium —— C19H22N3O2+
ethyl-[(1R)-1-[3-(4-methoxyphenyl)-4-oxoquinazolin-2-yl]ethyl]azanium
—— N-[(2R)-4-oxo-2-pyridin-2-yl-1,2-dihydroquinazolin-3-yl]benzamide —— C20H16N4O2
N-[(2R)-4-oxo-2-pyridin-2-yl-1,2-dihydroquinazolin-3-yl]benzamide
—— 1-ethyl-7-methyl-3-[(2S)-2-methylpiperidine-1-carbonyl]-1,8-naphthyridin-4-one —— C18H23N3O2
1-ethyl-7-methyl-3-[(2S)-2-methylpiperidine-1-carbonyl]-1,8-naphthyridin-4-one
—— (4R)-4-(2-methylphenyl)-1,3,4,6,7,8-hexahydroquinazoline-2,5-dione —— C15H16N2O2
(4R)-4-(2-methylphenyl)-1,3,4,6,7,8-hexahydroquinazoline-2,5-dione
—— 3-Benzyl-7,7-dimethyl-2,3,4,4a,6,8-hexahydroquinazolin-3-ium-5-one —— C17H23N2O+
3-Benzyl-7,7-dimethyl-2,3,4,4a,6,8-hexahydroquinazolin-3-ium-5-one
—— (4S)-4-pyridin-3-yl-3,4,5,6-tetrahydro-1H-benzo[h]quinazoline-2-thione —— C17H15N3S
(4S)-4-pyridin-3-yl-3,4,5,6-tetrahydro-1H-benzo[h]quinazoline-2-thione
—— 2-N,2-N,6-trimethyl-5,6,7,8-tetrahydro-1,6-naphthyridine-1,6-diium-2,4-diamine —— C11H20N4+2
2-N,2-N,6-trimethyl-5,6,7,8-tetrahydro-1,6-naphthyridine-1,6-diium-2,4-diamine
—— 2-[(2S)-5-fluoro-4-oxo-2,3-dihydro-1H-quinazolin-2-yl]-4-nitrophenolate —— C14H9FN3O4-
2-[(2S)-5-fluoro-4-oxo-2,3-dihydro-1H-quinazolin-2-yl]-4-nitrophenolate
—— (1R,3S,3aR,6aR)-5-(2-methyl-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O5
(1R,3S,3aR,6aR)-5-(2-methyl-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (1S,3R,3aR,6aS)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O6
(1S,3R,3aR,6aS)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— ethyl (2R)-2-(3-oxo-4H-quinoxalin-2-yl)propanoate —— C13H14N2O3
ethyl (2R)-2-(3-oxo-4H-quinoxalin-2-yl)propanoate
—— (3aR,4S,8aR,8bR)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23BrN4O3
(3aR,4S,8aR,8bR)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bR)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aR,8bR)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (5S)-5-quinolin-2-yl-5,6-dihydropyrrolo[1,2-c]quinazoline —— C20H15N3
(5S)-5-quinolin-2-yl-5,6-dihydropyrrolo[1,2-c]quinazoline
—— (3aR,4S,8aS,8bS)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aS,8bS)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (1R,3R,3aR,6aR)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O6
(1R,3R,3aR,6aR)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aR,4S,8aS,8bR)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aS,8bR)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aS,4S,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20Cl2N4O3
(3aS,4S,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4R,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20Cl2N4O3
(3aR,4R,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bS)-2-(3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H21N5O5
(3aR,4S,8aR,8bS)-2-(3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bR)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aR,8bR)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aS,4R,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20Cl2N4O3
(3aS,4R,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— 5-[(4S)-4,5-dihydropyrrolo[1,2-a]quinoxalin-4-yl]-2,1,3-benzothiadiazole —— C17H12N4S
5-[(4S)-4,5-dihydropyrrolo[1,2-a]quinoxalin-4-yl]-2,1,3-benzothiadiazole
—— (1S,3R,3aR,6aR)-5-(2-methoxy-4-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O6
(1S,3R,3aR,6aR)-5-(2-methoxy-4-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aR,4S,8aS,8bS)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aS,8bS)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20Cl2N4O3
(3aR,4S,8aR,8bS)-2-(2,5-dichlorophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aS,8bR)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aS,8bR)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bS)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23BrN4O3
(3aR,4S,8aR,8bS)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (1S,3R,3aR,6aR)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O6
(1S,3R,3aR,6aR)-5-(2-methoxy-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aR,4R,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20ClN5O5
(3aR,4R,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (1R,3R,3aR,6aS)-5-(2-methoxy-4-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O6
(1R,3R,3aR,6aS)-5-(2-methoxy-4-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (1R,3R,3aR,6aS)-5-(4-chloro-3-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C29H22ClN5O5
(1R,3R,3aR,6aS)-5-(4-chloro-3-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aR,4S,8aR,8bS)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aR,8bS)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bR)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aR,8bR)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bS)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aR,8bS)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aS,8bR)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aS,8bR)-2-(2-methyl-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (1R,3S,3aS,6aR)-5-(2-methyl-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25N5O5
(1R,3S,3aS,6aR)-5-(2-methyl-5-nitrophenyl)-1-propan-2-ylspiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aS,4R,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20ClN5O5
(3aS,4R,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aS,4S,8aR,8bS)-2-[2-(trifluoromethyl)phenyl]spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H21F3N4O3
(3aS,4S,8aR,8bS)-2-[2-(trifluoromethyl)phenyl]spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aS,4S,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C29H20ClN5O5
(3aS,4S,8aR,8bS)-2-(4-chloro-3-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (1S,3R,3aR,6aR)-5-(4-bromophenyl)-1-(2-methylpropyl)spiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione —— C30H25BrN4O3
(1S,3R,3aR,6aR)-5-(4-bromophenyl)-1-(2-methylpropyl)spiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,6'-indolo[2,1-b]quinazoline]-4,6,12'-trione
—— (3aR,4S,8aR,8bS)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O5
(3aR,4S,8aR,8bS)-2-(2-methyl-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aS,8bR)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23BrN4O3
(3aR,4S,8aS,8bR)-2-(2-bromo-4-methylphenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aS,8bR)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aS,8bR)-2-(2-methoxy-4-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aS,8bS)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aS,8bS)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4R,8aR,8bS)-2-[2-(trifluoromethyl)phenyl]spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H21F3N4O3
(3aR,4R,8aR,8bS)-2-[2-(trifluoromethyl)phenyl]spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione
—— (3aR,4S,8aR,8bR)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione —— C30H23N5O6
(3aR,4S,8aR,8bR)-2-(2-methoxy-5-nitrophenyl)spiro[3a,6,7,8,8a,8b-hexahydropyrrolo[3,4-a]pyrrolizine-4,6'-indolo[2,1-b]quinazoline]-1,3,12'-trione