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 噻吩并嘧啶酮衍生物

    噻吩并嘧啶酮衍生物

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— [(3R)-1-[5,6-dimethyl-2-[(4-methylpiperidin-1-yl)methyl]thieno[2,3-d]pyrimidin-4-yl]piperidin-3-yl]-morpholin-4-ylmethanone —— C25H37N5O2S
    [(3R)-1-[5,6-dimethyl-2-[(4-methylpiperidin-1-yl)methyl]thieno[2,3-d]pyrimidin-4-yl]piperidin-3-yl]-morpholin-4-ylmethanone
    —— [(3R)-1-[5,6-dimethyl-2-(morpholin-4-ylmethyl)thieno[2,3-d]pyrimidin-4-yl]piperidin-3-yl]-morpholin-4-ylmethanone —— C23H33N5O3S
    [(3R)-1-[5,6-dimethyl-2-(morpholin-4-ylmethyl)thieno[2,3-d]pyrimidin-4-yl]piperidin-3-yl]-morpholin-4-ylmethanone
    —— N-(4-chloro-2-methylphenyl)-2-[(7-methyl-4-oxo-3-prop-2-enyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide —— C23H24ClN3O2S2
    N-(4-chloro-2-methylphenyl)-2-[(7-methyl-4-oxo-3-prop-2-enyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide
    —— ethyl N-[2-[[3-(4-chlorophenyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetyl]carbamate —— C21H20ClN3O4S2
    ethyl N-[2-[[3-(4-chlorophenyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetyl]carbamate
    —— 2-[[5-morpholin-4-yl-4-[[(2S)-oxolan-2-yl]methyl]-1,2,4-triazol-3-yl]sulfanylmethyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine —— C22H29N7O2S2
    2-[[5-morpholin-4-yl-4-[[(2S)-oxolan-2-yl]methyl]-1,2,4-triazol-3-yl]sulfanylmethyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine
    —— 2-[[5-morpholin-4-yl-4-[[(2R)-oxolan-2-yl]methyl]-1,2,4-triazol-3-yl]sulfanylmethyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine —— C22H29N7O2S2
    2-[[5-morpholin-4-yl-4-[[(2R)-oxolan-2-yl]methyl]-1,2,4-triazol-3-yl]sulfanylmethyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine
    —— 2-[[(3,4-dichlorophenyl)methyl-methylamino]methyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one —— C19H19Cl2N3OS
    2-[[(3,4-dichlorophenyl)methyl-methylamino]methyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one
    —— 2-(butylsulfanyl)-6,6-dimethyl-N-(tetrahydrofuran-2-ylmethyl)-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-amine —— C20H29N3O2S2
    2-(butylsulfanyl)-6,6-dimethyl-N-(tetrahydrofuran-2-ylmethyl)-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-amine
    —— 2-[(4-Tert-butyl-2,6-dimethylphenyl)methylsulfanyl]-3-(3-methylbutyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one —— C28H38N2OS2
    2-[(4-Tert-butyl-2,6-dimethylphenyl)methylsulfanyl]-3-(3-methylbutyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one
    —— 2-[2-[4-(Difluoromethoxy)phenyl]ethenyl]-3-(4-methoxyphenyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one —— C26H22F2N2O3S
    2-[2-[4-(Difluoromethoxy)phenyl]ethenyl]-3-(4-methoxyphenyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one
    —— N-[(1R)-1-(4-chlorophenyl)-2-methylpropyl]-2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetamide —— C18H18ClN3O2S
    N-[(1R)-1-(4-chlorophenyl)-2-methylpropyl]-2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetamide
    —— N-[(1S)-1-(4-chlorophenyl)-2-methylpropyl]-2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetamide —— C18H18ClN3O2S
    N-[(1S)-1-(4-chlorophenyl)-2-methylpropyl]-2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetamide
    —— 6-ethyl-3-[2-[(3S)-3-(furan-2-yl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]thieno[2,3-d]pyrimidin-4-one —— C21H18N4O3S2
    6-ethyl-3-[2-[(3S)-3-(furan-2-yl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]thieno[2,3-d]pyrimidin-4-one
    —— N-[(1S)-1-[1-(difluoromethyl)benzimidazol-2-yl]ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C22H21F2N5O2S
    N-[(1S)-1-[1-(difluoromethyl)benzimidazol-2-yl]ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 2-[[5-[(3S)-1,1-dioxothiolan-3-yl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanylmethyl]-5-(furan-2-yl)-3H-thieno[2,3-d]pyrimidin-4-one —— C20H19N5O4S3
    2-[[5-[(3S)-1,1-dioxothiolan-3-yl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanylmethyl]-5-(furan-2-yl)-3H-thieno[2,3-d]pyrimidin-4-one
    —— N-(2-chlorophenyl)-2-[(7-methyl-4-oxo-3-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide —— C25H22ClN3O2S2
    N-(2-chlorophenyl)-2-[(7-methyl-4-oxo-3-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide
    —— 2-[[5-[(3R)-1,1-dioxothiolan-3-yl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanylmethyl]-5-(furan-2-yl)-3H-thieno[2,3-d]pyrimidin-4-one —— C20H19N5O4S3
    2-[[5-[(3R)-1,1-dioxothiolan-3-yl]-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanylmethyl]-5-(furan-2-yl)-3H-thieno[2,3-d]pyrimidin-4-one
    —— 6-ethyl-3-[2-[(3R)-3-(furan-2-yl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]thieno[2,3-d]pyrimidin-4-one —— C21H18N4O3S2
    6-ethyl-3-[2-[(3R)-3-(furan-2-yl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]thieno[2,3-d]pyrimidin-4-one
    —— 2-[5-(4-fluorophenyl)thieno[2,3-d]pyrimidin-4-yl]sulfanyl-N-[(S)-(1-methylimidazol-2-yl)-phenylmethyl]acetamide —— C25H20FN5OS2
    2-[5-(4-fluorophenyl)thieno[2,3-d]pyrimidin-4-yl]sulfanyl-N-[(S)-(1-methylimidazol-2-yl)-phenylmethyl]acetamide
    —— N-[(1R)-1-[1-(difluoromethyl)benzimidazol-2-yl]ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C22H21F2N5O2S
    N-[(1R)-1-[1-(difluoromethyl)benzimidazol-2-yl]ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(S)-(4-propylphenyl)-thiophen-2-ylmethyl]propanamide —— C26H27N3O2S2
    3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(S)-(4-propylphenyl)-thiophen-2-ylmethyl]propanamide
    —— N-(3-chlorophenyl)-2-[(4-oxo-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide —— C18H16ClN3O2S2
    N-(3-chlorophenyl)-2-[(4-oxo-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide
    —— N-[(1S)-1-(4-methylsulfonylphenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C21H23N3O4S2
    N-[(1S)-1-(4-methylsulfonylphenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1R)-1-(4-methylsulfonylphenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C21H23N3O4S2
    N-[(1R)-1-(4-methylsulfonylphenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1R)-1-(2-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C20H20FN3O2S
    N-[(1R)-1-(2-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(2S)-4-phenylbutan-2-yl]propanamide —— C22H25N3O2S
    3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(2S)-4-phenylbutan-2-yl]propanamide
    —— (2R)-2-(2-fluorophenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide —— C21H21FN4O4S
    (2R)-2-(2-fluorophenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide
    —— 3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(2R)-4-phenylbutan-2-yl]propanamide —— C22H25N3O2S
    3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)-N-[(2R)-4-phenylbutan-2-yl]propanamide
    —— N-[(2R)-2-(4-fluorophenyl)-2-morpholin-4-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H27FN4O3S
    N-[(2R)-2-(4-fluorophenyl)-2-morpholin-4-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 2-[(10-methyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9,11-tetraen-12-yl)sulfanyl]-N-propylacetamide —— C15H19N3OS2
    2-[(10-methyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9,11-tetraen-12-yl)sulfanyl]-N-propylacetamide
    —— N-[(2R)-2-(4-methylpiperidin-1-yl)-2-thiophen-2-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H30N4O2S2
    N-[(2R)-2-(4-methylpiperidin-1-yl)-2-thiophen-2-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(2S)-2-(4-methylpiperidin-1-yl)-2-thiophen-2-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H30N4O2S2
    N-[(2S)-2-(4-methylpiperidin-1-yl)-2-thiophen-2-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 5-(furan-2-yl)-2-[[(4-methoxyphenyl)methyl-[(2S)-1-thiophen-2-ylpropan-2-yl]amino]methyl]-3H-thieno[2,3-d]pyrimidin-4-one —— C26H25N3O3S2
    5-(furan-2-yl)-2-[[(4-methoxyphenyl)methyl-[(2S)-1-thiophen-2-ylpropan-2-yl]amino]methyl]-3H-thieno[2,3-d]pyrimidin-4-one
    —— (2S)-2-(4-ethoxyphenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide —— C23H26N4O5S
    (2S)-2-(4-ethoxyphenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide
    —— N-[(1S,2S)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C19H25N3O2S
    N-[(1S,2S)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— 10-[3-[(2R)-2-methylpiperidin-1-yl]-3-oxopropyl]-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-12-one —— C18H23N3O2S
    10-[3-[(2R)-2-methylpiperidin-1-yl]-3-oxopropyl]-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-12-one
    —— N-[(2S)-2-(diethylamino)-2-phenylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H30N4O2S
    N-[(2S)-2-(diethylamino)-2-phenylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— (2R)-2-(4-ethoxyphenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide —— C23H26N4O5S
    (2R)-2-(4-ethoxyphenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide
    —— N-[(2R)-2-(diethylamino)-2-phenylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H30N4O2S
    N-[(2R)-2-(diethylamino)-2-phenylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1S)-1-(3-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C20H20FN3O2S
    N-[(1S)-1-(3-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1S,2R)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C19H25N3O2S
    N-[(1S,2R)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1R)-1-(3-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C20H20FN3O2S
    N-[(1R)-1-(3-fluorophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1S)-1-(4-bromophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C20H20BrN3O2S
    N-[(1S)-1-(4-bromophenyl)ethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(1R,2S)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C19H25N3O2S
    N-[(1R,2S)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— (2S)-2-(2-fluorophenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide —— C21H21FN4O4S
    (2S)-2-(2-fluorophenoxy)-N'-[3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanoyl]propanehydrazide
    —— N-[(1R,2R)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C19H25N3O2S
    N-[(1R,2R)-2-methylcyclohexyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— N-[(2S)-2-(4-fluorophenyl)-2-morpholin-4-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide —— C24H27FN4O3S
    N-[(2S)-2-(4-fluorophenyl)-2-morpholin-4-ylethyl]-3-(12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)propanamide
    —— ethyl 4-[(3S)-3-(1H-benzimidazol-2-yl)piperidin-1-yl]-5-methylthieno[2,3-d]pyrimidine-6-carboxylate —— C22H23N5O2S
    ethyl 4-[(3S)-3-(1H-benzimidazol-2-yl)piperidin-1-yl]-5-methylthieno[2,3-d]pyrimidine-6-carboxylate
    —— ethyl N-[2-[5-(4-methylphenyl)-4-oxo-3-prop-2-enylthieno[2,3-d]pyrimidin-2-yl]sulfanylacetyl]carbamate —— C21H21N3O4S2
    ethyl N-[2-[5-(4-methylphenyl)-4-oxo-3-prop-2-enylthieno[2,3-d]pyrimidin-2-yl]sulfanylacetyl]carbamate
    —— 2-[[4-oxo-3-[[(2R)-oxolan-2-yl]methyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanylmethyl]indolizine-1-carbonitrile —— C25H24N4O2S2
    2-[[4-oxo-3-[[(2R)-oxolan-2-yl]methyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanylmethyl]indolizine-1-carbonitrile