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
历史搜索
    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 三唑并嘧啶类

    三唑并嘧啶类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (7R)-5-methyl-N-phenyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C26H23N5O2
    (7R)-5-methyl-N-phenyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-benzyl-7-[3-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H23Cl2N5O2
    (7R)-N-benzyl-7-[3-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O2
    (7R)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-7-[4-[(4-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26FN5O3
    (7S)-N-benzyl-7-[4-[(4-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-(2,4-dimethylphenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26FN5O2
    (7R)-N-(2,4-dimethylphenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-benzyl-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H23Cl2N5O2
    (7R)-N-benzyl-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[3-[(2-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O3
    (7R)-7-[3-[(2-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O2
    (7S)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[2-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O3
    (7R)-7-[2-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26FN5O4
    (7S)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-(2-methoxyphenyl)-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H27N5O3
    (7R)-N-(2-methoxyphenyl)-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O2
    (7S)-7-[2-[(4-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C26H22FN5O2
    (7S)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H25N5O2
    (7S)-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-7-[3-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H23Cl2N5O2
    (7S)-N-benzyl-7-[3-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-(4-chlorophenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C26H21ClFN5O2
    (7S)-N-(4-chlorophenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H27N5O2
    (7S)-N-benzyl-5-methyl-7-[2-[(4-methylphenyl)methoxy]phenyl]-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-benzyl-7-(3-methoxy-2-phenylmethoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H27N5O3
    (7R)-N-benzyl-7-(3-methoxy-2-phenylmethoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-benzyl-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O2
    (7R)-N-benzyl-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[3-[(4-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O3
    (7S)-7-[3-[(4-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24FN5O3
    (7S)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[3-[(2-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O3
    (7S)-7-[3-[(2-chlorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-benzyl-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24FN5O2
    (7R)-N-benzyl-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24FN5O3
    (7S)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-(2,4-dimethylphenyl)-7-[3-methoxy-4-[(3-methylphenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C30H31N5O3
    (7S)-N-(2,4-dimethylphenyl)-7-[3-methoxy-4-[(3-methylphenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-5-methyl-N-(2-methylphenyl)-7-[2-[(4-methylphenyl)methoxy]phenyl]-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H27N5O2
    (7S)-5-methyl-N-(2-methylphenyl)-7-[2-[(4-methylphenyl)methoxy]phenyl]-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H23Cl2N5O2
    (7S)-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26FN5O4
    (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O3
    (7S)-7-[2-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-(2-methylphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-7-[2-[(2-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O2
    (7S)-N-benzyl-7-[2-[(2-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-N-(2,4-dimethylphenyl)-5-methyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H27N5O2
    (7R)-N-(2,4-dimethylphenyl)-5-methyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C26H22FN5O2
    (7R)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-5-methyl-N-phenyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C26H23N5O2
    (7S)-5-methyl-N-phenyl-7-(2-phenylmethoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24FN5O3
    (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24ClN5O2
    (7S)-N-benzyl-7-[2-[(4-chlorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[2-[(2-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O2
    (7R)-7-[2-[(2-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-benzyl-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H23Cl2N5O2
    (7S)-N-benzyl-7-[4-[(2,6-dichlorophenyl)methoxy]phenyl]-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7R)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C27H24FN5O3
    (7R)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-N-(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-N-(2,4-dimethylphenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26FN5O2
    (7S)-N-(2,4-dimethylphenyl)-7-[2-[(4-fluorophenyl)methoxy]phenyl]-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— (7S)-7-[2-[(2-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide —— C28H26ClN5O2
    (7S)-7-[2-[(2-chlorophenyl)methoxy]phenyl]-N-(2,4-dimethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
    —— Ethyl 2-{[(3-methylphenyl)methyl]amino}-7-oxo-4H,7H-[1,2,4]triazolo[1,5-A]pyrimidine-6-carboxylate —— C16H17N5O3
    Ethyl 2-{[(3-methylphenyl)methyl]amino}-7-oxo-4H,7H-[1,2,4]triazolo[1,5-A]pyrimidine-6-carboxylate
    —— 5-[[7-(4-chlorophenyl)-5-phenyl-1,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]amino]-5-oxopentanoic acid —— C22H22ClN5O3
    5-[[7-(4-chlorophenyl)-5-phenyl-1,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]amino]-5-oxopentanoic acid
    —— N-[7-(4-chlorophenyl)-5-oxo-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-3,4,5-trimethoxybenzamide —— C21H20ClN5O5
    N-[7-(4-chlorophenyl)-5-oxo-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-3,4,5-trimethoxybenzamide
    —— 13-Methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]di[1,2,4]triazolo[4,3-a:1,5-c]pyrimidin-7-ylhydrosulfide —— C13H12N6S2
    13-Methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]di[1,2,4]triazolo[4,3-a:1,5-c]pyrimidin-7-ylhydrosulfide
    —— 5-[(2,6-dichlorobenzyl)sulfanyl]-10,10-dimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine —— C19H16Cl2N4OS2
    5-[(2,6-dichlorobenzyl)sulfanyl]-10,10-dimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine
    —— 2-[(13-Methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]bis[1,2,4]triazolo[4,3-a:1',5'-c]pyrimidin-7-yl)sulfanyl]acetamide —— C15H15N7OS2
    2-[(13-Methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]bis[1,2,4]triazolo[4,3-a:1',5'-c]pyrimidin-7-yl)sulfanyl]acetamide
    —— N-(furan-2-ylmethyl)-2-[(12-methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]bis[1,2,4]triazolo[4,3-a:1',5'-c]pyrimidin-7-yl)sulfanyl]acetamide —— C20H19N7O2S2
    N-(furan-2-ylmethyl)-2-[(12-methyl-10,11,12,13-tetrahydro[1]benzothieno[3,2-e]bis[1,2,4]triazolo[4,3-a:1',5'-c]pyrimidin-7-yl)sulfanyl]acetamide
    —— 2-[Benzyl(10-methyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)amino]ethanol —— C21H23N5OS
    2-[Benzyl(10-methyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)amino]ethanol
    —— 5-amino-3-[(2S,4R,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2H-triazolo[4,5-d]pyrimidin-7-one —— C9H12N6O4
    5-amino-3-[(2S,4R,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2H-triazolo[4,5-d]pyrimidin-7-one
    —— 7-(4-Chlorophenyl)-13-methyl-3-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanyl-16-thia-2,4,5,7,13-pentazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,10(15)-tetraen-8-one —— C23H23ClN6O2S2
    7-(4-Chlorophenyl)-13-methyl-3-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanyl-16-thia-2,4,5,7,13-pentazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,10(15)-tetraen-8-one