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苯并恶嗪类

中文名称 英文名称 CAS号 化学式 结构式图片
—— 8-Bromo-1-methyl-9-piperidin-1-yl-3-(2-trimethylsilylethoxymethyl)-1,5-dihydro-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one —— C22H33BrN4O3Si
8-Bromo-1-methyl-9-piperidin-1-yl-3-(2-trimethylsilylethoxymethyl)-1,5-dihydro-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one
—— (5S,10bS)-5-(4-bromophenyl)-2-(2-methylpropyl)-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine —— C20H21BrN2O
(5S,10bS)-5-(4-bromophenyl)-2-(2-methylpropyl)-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine
—— 8-bromo-1-methyl-9-(1-methylcyclobutyl)oxy-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one —— C16H18BrN3O3
8-bromo-1-methyl-9-(1-methylcyclobutyl)oxy-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one
—— 1-methyl-9-[(1-methylcyclobutyl)amino]-8-phenyl-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one —— C22H24N4O2
1-methyl-9-[(1-methylcyclobutyl)amino]-8-phenyl-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one
—— 2-[(3S,3aS)-3-(aminomethyl)-1-oxo-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-7-yl]-N-tert-butylbenzenesulfonamide —— C21H25N3O5S
2-[(3S,3aS)-3-(aminomethyl)-1-oxo-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-7-yl]-N-tert-butylbenzenesulfonamide
—— (2Z)-2-(2-oxo-1H-indol-3-ylidene)-4H-1,4-benzoxazin-3-one —— C16H10N2O3
(2Z)-2-(2-oxo-1H-indol-3-ylidene)-4H-1,4-benzoxazin-3-one
—— tert-butyl 3-[1-(1,8-dimethyl-2-oxo-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-9-yl)ethenyl]-3-methylazetidine-1-carboxylate —— C23H30N4O4
tert-butyl 3-[1-(1,8-dimethyl-2-oxo-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-9-yl)ethenyl]-3-methylazetidine-1-carboxylate
—— 2-[(3S,3aS)-3-(aminomethyl)-1-oxo-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-7-yl]benzenesulfonamide —— C17H17N3O5S
2-[(3S,3aS)-3-(aminomethyl)-1-oxo-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-7-yl]benzenesulfonamide
—— 9-(Cyclobutylidenemethyl)-1,8-dimethyl-3-(2-trimethylsilylethoxymethyl)-1,5-dihydro-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one —— C23H33N3O3Si
9-(Cyclobutylidenemethyl)-1,8-dimethyl-3-(2-trimethylsilylethoxymethyl)-1,5-dihydro-[1,2,4]triazino[3,4-c][1,4]benzoxazin-2-one
—— (3R,3aR)-3-(hydroxymethyl)-7-(3-oxomorpholin-4-yl)-3a,4-dihydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-1 (3H)-one —— C15H16N2O6
(3R,3aR)-3-(hydroxymethyl)-7-(3-oxomorpholin-4-yl)-3a,4-dihydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-1 (3H)-one
—— (2R)-2-[2-(difluoromethoxy)phenyl]-2,3-dihydro-1,3-benzoxazin-4-one —— C15H11F2NO3
(2R)-2-[2-(difluoromethoxy)phenyl]-2,3-dihydro-1,3-benzoxazin-4-one
—— (2S)-2-[2-(difluoromethoxy)phenyl]-2,3-dihydro-1,3-benzoxazin-4-one —— C15H11F2NO3
(2S)-2-[2-(difluoromethoxy)phenyl]-2,3-dihydro-1,3-benzoxazin-4-one
—— (3R,3aR)-3-(((tert-butyldimethylsilyl)oxy)methyl)-7-(3-oxomorpholino)-3a,4-dihydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-1(3H)-one —— C21H30N2O6Si
(3R,3aR)-3-(((tert-butyldimethylsilyl)oxy)methyl)-7-(3-oxomorpholino)-3a,4-dihydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-1(3H)-one
—— ((3R,3aS)-7-cyano-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methyl methanesulfonate —— C13H12N2O6S
((3R,3aS)-7-cyano-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methyl methanesulfonate
—— [(3R,3aR)-1-oxo-7-(3-oxomorpholin-4-yl)-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-3-yl]methyl methanesulfonate —— C16H18N2O8S
[(3R,3aR)-1-oxo-7-(3-oxomorpholin-4-yl)-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-3-yl]methyl methanesulfonate
—— (3S,3aS)-3-(aminomethyl)-7-(2-methylsulfonylphenyl)-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-1-one —— C18H18N2O5S
(3S,3aS)-3-(aminomethyl)-7-(2-methylsulfonylphenyl)-3a,4-dihydro-3H-[1,3]oxazolo[4,3-c][1,4]benzoxazin-1-one
—— (3R,3aS)-3-(hydroxymethyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-carbonitrile —— C12H10N2O4
(3R,3aS)-3-(hydroxymethyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-carbonitrile
—— (3S,3aS)-3-(aminomethyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-carbonitrile —— C12H11N3O3
(3S,3aS)-3-(aminomethyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-carbonitrile
—— (5R,10bS)-5-butyl-2-(2-chlorophenyl)-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine —— C20H21ClN2O
(5R,10bS)-5-butyl-2-(2-chlorophenyl)-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine
—— 13-chloro-3,10-bis[2-[[4-chloro-6-(2,4-disulfoanilino)-1,3,5-triazin-2-yl]amino]ethylamino]-6-ethenyl-[1,4]benzoxazino[2,3-b]phenoxazine-4,11-disulfonic acid —— C42H33Cl3N14O20S6
13-chloro-3,10-bis[2-[[4-chloro-6-(2,4-disulfoanilino)-1,3,5-triazin-2-yl]amino]ethylamino]-6-ethenyl-[1,4]benzoxazino[2,3-b]phenoxazine-4,11-disulfonic acid
—— 13-Chloro-6-ethenyl-[1,4]benzoxazino[2,3-b]phenoxazine —— C20H11ClN2O2
13-Chloro-6-ethenyl-[1,4]benzoxazino[2,3-b]phenoxazine
—— (12aS)-3,10-dibromo-1-fluoro-6-(2-propyl-1,3-thiazol-5-yl)-12,12a-dihydro-6H-indolo[1,2-c][1,3]benzoxazine —— C21H17Br2FN2OS
(12aS)-3,10-dibromo-1-fluoro-6-(2-propyl-1,3-thiazol-5-yl)-12,12a-dihydro-6H-indolo[1,2-c][1,3]benzoxazine
—— 4-Amino-8-tert-butyl-2,3,6,7-tetrahydro-1,4-benzoxazepin-5-one —— C13H20N2O2
4-Amino-8-tert-butyl-2,3,6,7-tetrahydro-1,4-benzoxazepin-5-one
—— 3-hydroxy-7-oxophenoxazine-4-carbaldehyde —— C13H7NO4
3-hydroxy-7-oxophenoxazine-4-carbaldehyde
—— 2-[N-(carboxymethyl)-2-[2-(2,5-dimethylphenoxy)ethoxy]-4-[[(3-hydroxy-7-oxophenoxazine-4-carbonyl)amino]methyl]anilino]acetic acid —— C34H31N3O10
2-[N-(carboxymethyl)-2-[2-(2,5-dimethylphenoxy)ethoxy]-4-[[(3-hydroxy-7-oxophenoxazine-4-carbonyl)amino]methyl]anilino]acetic acid
—— (4R)-7-methoxy-4-(4-methylphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one —— C17H14F3NO3
(4R)-7-methoxy-4-(4-methylphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one
—— (4S)-7-methoxy-4-(4-methylphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one —— C17H14F3NO3
(4S)-7-methoxy-4-(4-methylphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one
—— (5R,10bS)-5-(2,6-dichlorophenyl)-2-phenyl-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine —— C22H16Cl2N2O
(5R,10bS)-5-(2,6-dichlorophenyl)-2-phenyl-5,10b-dihydro-3H-pyrazolo[1,5-c][1,3]benzoxazine
—— (4R)-7-(diethylamino)-4-(4-methoxyphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one —— C20H21F3N2O3
(4R)-7-(diethylamino)-4-(4-methoxyphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one
—— N-(4-phenoxazin-10-ylsulfonylphenyl)acetamide —— C20H16N2O4S
N-(4-phenoxazin-10-ylsulfonylphenyl)acetamide
—— (4S)-7-(diethylamino)-4-(4-methoxyphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one —— C20H21F3N2O3
(4S)-7-(diethylamino)-4-(4-methoxyphenyl)-4-(trifluoromethyl)-3H-1,3-benzoxazin-2-one
—— 2,2'-bis(2-nitrophenyl)-4H,4'H-6,6'-bi-3,1-benzoxazine-4,4'-dione —— C28H14N4O8
2,2'-bis(2-nitrophenyl)-4H,4'H-6,6'-bi-3,1-benzoxazine-4,4'-dione
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3,3-dimethylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C43H51N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3,3-dimethylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— methyl N-[(2S)-1-[(2S)-2-[5-[7-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-1-propyl-10H-phenoxazin-2-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C43H55N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[7-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-1-propyl-10H-phenoxazin-2-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-4,4-difluoro-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12-hexaen-5-yl]-1H-imidazol-2-yl]-4,4-difluoropyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C42H47F4N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-4,4-difluoro-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12-hexaen-5-yl]-1H-imidazol-2-yl]-4,4-difluoropyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9(17),10,12-hexaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C43H53N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9(17),10,12-hexaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— 3-bromo-1-methoxy-10H-phenoxazine —— C13H10BrNO2
3-bromo-1-methoxy-10H-phenoxazine
—— 4,12-Dimethyl-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaene —— C16H13NO
4,12-Dimethyl-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaene
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C42H49N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— methyl N-[(2S)-1-[(2S)-2-[5-[4-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaen-11-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C43H53N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[4-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaen-11-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— 5,12-Dimethyl-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaene —— C16H13NO
5,12-Dimethyl-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaene
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-4,4-difluoro-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]-4,4-difluoropyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C42H45F4N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-4,4-difluoro-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]-4,4-difluoropyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— 4,11-Dibromo-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaene —— C15H11Br2NO
4,11-Dibromo-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaene
—— 5,11-Dimethyl-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaene —— C17H17NO
5,11-Dimethyl-8-oxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,9,11,13(17)-hexaene
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12-hexaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate —— C42H51N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12-hexaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
—— (2R)-2-tert-butyl-7,7-dimethyl-2-phenyl-6,8-dihydro-3H-1,3-benzoxazine-4,5-dione —— C20H25NO3
(2R)-2-tert-butyl-7,7-dimethyl-2-phenyl-6,8-dihydro-3H-1,3-benzoxazine-4,5-dione
—— (2S)-2-tert-butyl-7,7-dimethyl-2-phenyl-6,8-dihydro-3H-1,3-benzoxazine-4,5-dione —— C20H25NO3
(2S)-2-tert-butyl-7,7-dimethyl-2-phenyl-6,8-dihydro-3H-1,3-benzoxazine-4,5-dione
—— methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3,3-dimethylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate —— C44H53N9O7
methyl N-[(2S)-1-[(2S)-2-[5-[12-[2-[(2S)-1-[(2S)-2-[(2-hydroxyacetyl)amino]-3,3-dimethylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2(7),3,5,9(16),10,12,14-heptaen-5-yl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate
—— 11-Bromo-8,14-dioxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2,4,6,9,11,13(17)-hexaene —— C14H10BrNO2
11-Bromo-8,14-dioxa-1-azatetracyclo[7.7.1.02,7.013,17]heptadeca-2,4,6,9,11,13(17)-hexaene
—— 12-Bromo-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2,4,6,9(16),10,12,14-heptaene —— C14H8BrNO
12-Bromo-8-oxa-1-azatetracyclo[7.6.1.02,7.013,16]hexadeca-2,4,6,9(16),10,12,14-heptaene