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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 吡啶并嘧啶类

    吡啶并嘧啶类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— Ethyl 4-(4-chloroanilino)-7-methyl-2-oxo-5-phenyl-1-prop-2-enyl-5,6-dihydropyrido[2,3-d]pyrimidine-6-carboxylate —— C26H25ClN4O3
    Ethyl 4-(4-chloroanilino)-7-methyl-2-oxo-5-phenyl-1-prop-2-enyl-5,6-dihydropyrido[2,3-d]pyrimidine-6-carboxylate
    —— 3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H24N4O3S2
    3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 7-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C27H30N4O3S2
    7-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C22H28N4O4S2
    3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (5Z)-3-butan-2-yl-5-[[2-(3-ethoxypropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H28N4O3S2
    (5Z)-3-butan-2-yl-5-[[2-(3-ethoxypropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 9-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C27H30N4O3S2
    9-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-[(Z)-(3-cyclohexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(3,5-dimethylpiperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H30N4O2S2
    3-[(Z)-(3-cyclohexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(3,5-dimethylpiperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-{(Z)-[3-(2-chlorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-(octylamino)-4H-pyrido[1,2-a]pyrimidin-4-one —— C27H29ClN4O2S2
    3-{(Z)-[3-(2-chlorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-(octylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
    —— tert-butyl 2-(pyrrolidin-2-ylmethyl)-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylate —— C17H26N4O2
    tert-butyl 2-(pyrrolidin-2-ylmethyl)-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylate
    —— 2-(4-methylpiperidin-1-yl)-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one 361994-27-6 C26H26N4O2S2
    2-(4-methylpiperidin-1-yl)-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-{[3-(1H-imidazol-1-yl)propyl]amino}-3-{(Z)-[3-(3-methylbutyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C23H26N6O2S2
    2-{[3-(1H-imidazol-1-yl)propyl]amino}-3-{(Z)-[3-(3-methylbutyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 1-(9-methyl-3-{(Z)-[3-(3-methylbutyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide —— C24H29N5O3S2
    1-(9-methyl-3-{(Z)-[3-(3-methylbutyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide
    —— 4-Pyridin-2-ylpyrido[3,2-d]pyrimidin-2-amine —— C12H9N5
    4-Pyridin-2-ylpyrido[3,2-d]pyrimidin-2-amine
    —— 7-Amino-3-methyl-1-phenylpyrido[2,3-d]pyrimidine-2,4-dione;ethane —— C20H30N4O2
    7-Amino-3-methyl-1-phenylpyrido[2,3-d]pyrimidine-2,4-dione;ethane
    —— 2-(dipropylamino)-3-[(Z)-(3-hexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H32N4O2S2
    2-(dipropylamino)-3-[(Z)-(3-hexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— tert-butyl 3-[8-[(4-tert-butyl-1,3-thiazol-2-yl)carbamoyl]-2-[(3R)-3-[2-(dimethylamino)ethylcarbamoyloxy]piperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]prop-2-enoate —— C33H45N7O6S
    tert-butyl 3-[8-[(4-tert-butyl-1,3-thiazol-2-yl)carbamoyl]-2-[(3R)-3-[2-(dimethylamino)ethylcarbamoyloxy]piperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]prop-2-enoate
    —— 1-[7-chloro-6-(3-methylphenyl)-8,8a-dihydropyrido[2,3-d]pyrimidin-2-yl]-N-methylpropan-2-imine —— C18H19ClN4
    1-[7-chloro-6-(3-methylphenyl)-8,8a-dihydropyrido[2,3-d]pyrimidin-2-yl]-N-methylpropan-2-imine
    —— 7,9-dichloro-4-phenylsulfanyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidine —— C14H12Cl2N2S
    7,9-dichloro-4-phenylsulfanyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidine
    —— 2-(Allylamino)-7-methyl-3-{(Z)-[4-oxo-3-(tetrahydro-2-furanylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-A]pyrimidin-4-one —— C21H22N4O3S2
    2-(Allylamino)-7-methyl-3-{(Z)-[4-oxo-3-(tetrahydro-2-furanylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-A]pyrimidin-4-one
    —— 3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C23H28N4O4S2
    3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— N-[7-[(4,5-dimethoxy-6-oxocyclohexa-2,4-dien-1-yl)methyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-yl]adamantane-1-carboxamide —— C27H34N4O4
    N-[7-[(4,5-dimethoxy-6-oxocyclohexa-2,4-dien-1-yl)methyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-yl]adamantane-1-carboxamide
    —— (Z)-3-(furan-2-ylmethyl)-5-((2-((2-(2-hydroxyethoxy)ethyl)amino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one —— C22H22N4O5S2
    (Z)-3-(furan-2-ylmethyl)-5-((2-((2-(2-hydroxyethoxy)ethyl)amino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one
    —— 3-{(Z)-[3-(2-ethylhexyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H32N4O2S2
    3-{(Z)-[3-(2-ethylhexyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-2-cyano-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-[2-(morpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enamide —— C20H21N5O5S
    (2E)-2-cyano-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-[2-(morpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enamide
    —— 2-(3,4-dihydroisoquinolin-2(1H)-yl)-9-methyl-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C30H26N4O2S2
    2-(3,4-dihydroisoquinolin-2(1H)-yl)-9-methyl-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(1,3-benzodioxol-5-ylmethyl)amino]-9-methyl-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C29H24N4O4S2
    2-[(1,3-benzodioxol-5-ylmethyl)amino]-9-methyl-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-(3,5-dimethylpiperidin-1-yl)-3-{(Z)-[3-(2-ethylhexyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C28H38N4O2S2
    2-(3,5-dimethylpiperidin-1-yl)-3-{(Z)-[3-(2-ethylhexyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-(3,5-dimethylpiperidin-1-yl)-7-methyl-3-{(Z)-[3-(2-methylpropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H30N4O2S2
    2-(3,5-dimethylpiperidin-1-yl)-7-methyl-3-{(Z)-[3-(2-methylpropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— ethyl 1-(3-{(Z)-[3-(2-methylpropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate —— C24H28N4O4S2
    ethyl 1-(3-{(Z)-[3-(2-methylpropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate
    —— (2E)-2-cyano-3-[9-methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(tetrahydrofuran-2-ylmethyl)prop-2-enamide —— C23H27N5O3
    (2E)-2-cyano-3-[9-methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(tetrahydrofuran-2-ylmethyl)prop-2-enamide
    —— (2E)-2-cyano-3-[2-(2,6-dimethylmorpholin-4-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(3-methoxypropyl)prop-2-enamide —— C23H29N5O4
    (2E)-2-cyano-3-[2-(2,6-dimethylmorpholin-4-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(3-methoxypropyl)prop-2-enamide
    —— (2E)-3-[9-methyl-2-(3-methylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-2-[(4-methylphenyl)sulfonyl]prop-2-enenitrile —— C25H26N4O3S
    (2E)-3-[9-methyl-2-(3-methylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-2-[(4-methylphenyl)sulfonyl]prop-2-enenitrile
    —— 5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-(1-phenylethyl)-2-thioxo-1,3-thiazolan-4-one —— C25H26N4O2S2
    5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-(1-phenylethyl)-2-thioxo-1,3-thiazolan-4-one
    —— ethyl 1-{3-[(1E)-2-cyano-3-oxo-3-(prop-2-en-1-ylamino)prop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate —— C24H27N5O4
    ethyl 1-{3-[(1E)-2-cyano-3-oxo-3-(prop-2-en-1-ylamino)prop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate
    —— ethyl 1-(3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate —— C28H28N4O4S2
    ethyl 1-(3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate
    —— 3-{(Z)-[3-(2-chlorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(1-hydroxybutan-2-yl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H23ClN4O3S2
    3-{(Z)-[3-(2-chlorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(1-hydroxybutan-2-yl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 1-anilino-6H-pyrido[4,3-d]pyrimidine-2,4,7-trione —— C13H10N4O3
    1-anilino-6H-pyrido[4,3-d]pyrimidine-2,4,7-trione
    —— N-[2-[7-(2-oxo-2-pyridin-3-ylethyl)-3,6,8,10-tetrazatricyclo[7.4.0.02,6]trideca-1(9),2,7,10,12-pentaen-11-yl]ethyl]piperidine-1-carboxamide —— C24H27N7O2
    N-[2-[7-(2-oxo-2-pyridin-3-ylethyl)-3,6,8,10-tetrazatricyclo[7.4.0.02,6]trideca-1(9),2,7,10,12-pentaen-11-yl]ethyl]piperidine-1-carboxamide
    —— 3-{(Z)-[3-(3-ethoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(3-hydroxypropyl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C21H26N4O4S2
    3-{(Z)-[3-(3-ethoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(3-hydroxypropyl)amino]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-2-(1H-benzimidazol-2-yl)-3-[2-(dibenzylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile —— C32H24N6O
    (2E)-2-(1H-benzimidazol-2-yl)-3-[2-(dibenzylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile
    —— 3-{(Z)-[3-(4-methoxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H24N4O4S2
    3-{(Z)-[3-(4-methoxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydrofuran-2-ylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 4-methyl-11-octa-4,6-dien-3-yl-2,3,7,13-tetrazatricyclo[7.4.0.02,6]trideca-1(13),5,8,10-tetraen-12-one —— C18H22N4O
    4-methyl-11-octa-4,6-dien-3-yl-2,3,7,13-tetrazatricyclo[7.4.0.02,6]trideca-1(13),5,8,10-tetraen-12-one
    —— (2E)-2-cyano-3-[2-(2,6-dimethylmorpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(3-methoxypropyl)prop-2-enamide —— C22H27N5O4
    (2E)-2-cyano-3-[2-(2,6-dimethylmorpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-N-(3-methoxypropyl)prop-2-enamide
    —— 9-Methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydro-2-furanylmethyl)amino]-4H-pyrido[1,2-A]pyrimidin-4-one —— C26H26N4O3S2
    9-Methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(tetrahydro-2-furanylmethyl)amino]-4H-pyrido[1,2-A]pyrimidin-4-one
    —— ethyl 1-(3-{(Z)-[3-(furan-2-ylmethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate —— C25H24N4O5S2
    ethyl 1-(3-{(Z)-[3-(furan-2-ylmethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate
    —— 2-(2,6-dimethyl-4-morpholinyl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C22H26N4O4S2
    2-(2,6-dimethyl-4-morpholinyl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (Z)-5-((2-((2-methoxyethyl)amino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one —— C21H24N4O4S2
    (Z)-5-((2-((2-methoxyethyl)amino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one
    —— N-[7-[1-(1H-indol-3-yl)ethyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-yl]adamantane-1-carboxamide —— C28H33N5O
    N-[7-[1-(1H-indol-3-yl)ethyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-yl]adamantane-1-carboxamide
    —— ethane;2,4,7-trimethyl-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine —— C12H21N3
    ethane;2,4,7-trimethyl-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine
    —— 3-{(Z)-[3-(4-fluorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[2-(2-hydroxyethoxy)ethyl]amino}-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H23FN4O4S2
    3-{(Z)-[3-(4-fluorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[2-(2-hydroxyethoxy)ethyl]amino}-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one