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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 (6Z)-6-(4-fluorobenzoyl)imino-2-oxo-7-(oxolan-2-ylmethyl)-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate —— C26H23FN4O5
    ethyl (6Z)-6-(4-fluorobenzoyl)imino-2-oxo-7-(oxolan-2-ylmethyl)-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate
    —— 1-(9-methyl-4-oxo-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide —— C24H27N5O4S2
    1-(9-methyl-4-oxo-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide
    —— (3Z)-2-(furan-2-ylmethylimino)-9-methyl-3-[(2-phenylhydrazinyl)methylidene]pyrido[1,2-a]pyrimidin-4-one —— C21H19N5O2
    (3Z)-2-(furan-2-ylmethylimino)-9-methyl-3-[(2-phenylhydrazinyl)methylidene]pyrido[1,2-a]pyrimidin-4-one
    —— (5E)-3-Octyl-5-{[4-oxo-2-(pentylamino)-4H-pyrido[1,2-A]pyrimidin-3-YL]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one —— C25H34N4O2S2
    (5E)-3-Octyl-5-{[4-oxo-2-(pentylamino)-4H-pyrido[1,2-A]pyrimidin-3-YL]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 2-[(furan-2-ylmethyl)amino]-3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H20N4O3S2
    2-[(furan-2-ylmethyl)amino]-3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(2-furylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C21H20N4O3S2
    3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(2-furylmethyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(1,3-benzodioxol-5-ylmethyl)amino]-7-methyl-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C26H24N4O5S2
    2-[(1,3-benzodioxol-5-ylmethyl)amino]-7-methyl-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-{(Z)-[3-(1,3-benzodioxol-5-ylmethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(morpholin-4-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C27H27N5O5S2
    3-{(Z)-[3-(1,3-benzodioxol-5-ylmethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(morpholin-4-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(4-methylbenzyl)amino]-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H26N4O2S2
    2-[(4-methylbenzyl)amino]-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-3-{2-[(1,3-benzodioxol-5-ylmethyl)amino]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-cyano-N-(prop-2-en-1-yl)prop-2-enamide —— C24H21N5O4
    (2E)-3-{2-[(1,3-benzodioxol-5-ylmethyl)amino]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-cyano-N-(prop-2-en-1-yl)prop-2-enamide
    —— 3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(propylamino)-4H-pyrido[1,2-a]pyrimidin-4-one —— C19H22N4O2S2
    3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(propylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(1,3-benzodioxol-5-ylmethyl)amino]-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 —— C25H24N4O4S2
    2-[(1,3-benzodioxol-5-ylmethyl)amino]-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
    —— 2-(allylamino)-3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C20H22N4O2S2
    2-(allylamino)-3-[(Z)-(3-sec-butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— N-[(Z)-[2-(azepan-1-yl)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylideneamino]-2-hydroxybenzamide —— C22H23N5O3
    N-[(Z)-[2-(azepan-1-yl)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylideneamino]-2-hydroxybenzamide
    —— 2-[(1,3-benzodioxol-5-ylmethyl)amino]-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 —— C24H22N4O5S2
    2-[(1,3-benzodioxol-5-ylmethyl)amino]-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
    —— 3-[(Z)-(3-benzyl-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 —— C24H24N4O3S2
    3-[(Z)-(3-benzyl-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
    —— 3-{(Z)-[3-(butan-2-yl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C20H24N4O2S2
    3-{(Z)-[3-(butan-2-yl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-2-(1,3-benzothiazol-2-yl)-3-[2-(2,6-dimethylmorpholin-4-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile —— C25H23N5O2S
    (2E)-2-(1,3-benzothiazol-2-yl)-3-[2-(2,6-dimethylmorpholin-4-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile
    —— 2-{[3-(1H-imidazol-1-yl)propyl]amino}-3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C26H24N6O2S2
    2-{[3-(1H-imidazol-1-yl)propyl]amino}-3-{(Z)-[3-(4-methylbenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-2-cyano-N-(4-ethoxyphenyl)-3-[9-methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enamide —— C26H27N5O3
    (2E)-2-cyano-N-(4-ethoxyphenyl)-3-[9-methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enamide
    —— 6-[(5Z)-5-({2-[(2-hydroxy-2-phenylethyl)amino]-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]hexanoic acid —— C26H26N4O5S2
    6-[(5Z)-5-({2-[(2-hydroxy-2-phenylethyl)amino]-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]hexanoic acid
    —— ethyl 1-(4-oxo-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate —— C23H26N4O4S2
    ethyl 1-(4-oxo-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxylate
    —— ethyl 1-{3-[(1E)-2-cyano-3-methoxy-3-oxoprop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate —— C22H24N4O5
    ethyl 1-{3-[(1E)-2-cyano-3-methoxy-3-oxoprop-1-en-1-yl]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidine-3-carboxylate
    —— 3-[(Z)-(3-hexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C24H32N4O3S2
    3-[(Z)-(3-hexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (E)-5-((2-(3,5-dimethylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-octyl-2-thioxothiazolidin-4-one —— C27H36N4O2S2
    (E)-5-((2-(3,5-dimethylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-octyl-2-thioxothiazolidin-4-one
    —— 3-[(Z)-(3-cyclohexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(3-morpholin-4-ylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H31N5O3S2
    3-[(Z)-(3-cyclohexyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(3-morpholin-4-ylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (5E)-5-[[9-methyl-2-(2-methylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-octyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C25H34N4O2S2
    (5E)-5-[[9-methyl-2-(2-methylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-octyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— (5Z)-5-[(7-methyl-4-oxo-2-piperidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-3-(oxolan-2-ylmethyl)-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H26N4O3S2
    (5Z)-5-[(7-methyl-4-oxo-2-piperidin-1-ylpyrido[1,2-a]pyrimidin-3-yl)methylidene]-3-(oxolan-2-ylmethyl)-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 2-(3,4-dihydroisoquinolin-2(1H)-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 —— C26H26N4O2S2
    2-(3,4-dihydroisoquinolin-2(1H)-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
    —— 2-(3,5-dimethylpiperidin-1-yl)-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C22H26N4O2S2
    2-(3,5-dimethylpiperidin-1-yl)-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-(allylamino)-9-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one 361995-71-3 C24H22N4O2S2
    2-(allylamino)-9-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (2E)-2-(1H-benzimidazol-2-yl)-3-[2-(morpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile —— C22H18N6O2
    (2E)-2-(1H-benzimidazol-2-yl)-3-[2-(morpholin-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile
    —— 3-(sec-butyl)-5-((Z)-1-{2-[(3-isopropoxypropyl)amino]-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-2-thioxo-1,3-thiazolan-4-one —— C23H30N4O3S2
    3-(sec-butyl)-5-((Z)-1-{2-[(3-isopropoxypropyl)amino]-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-2-thioxo-1,3-thiazolan-4-one
    —— 7-methyl-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one —— C18H20N4O2S2
    7-methyl-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-(methylamino)-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C18H18N4O3S2
    2-(methylamino)-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(3-ethoxypropyl)amino]-9-methyl-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one —— C23H30N4O3S2
    2-[(3-ethoxypropyl)amino]-9-methyl-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(2-hydroxy-2-phenylethyl)amino]-9-methyl-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C26H26N4O4S2
    2-[(2-hydroxy-2-phenylethyl)amino]-9-methyl-3-{(Z)-[4-oxo-3-(tetrahydrofuran-2-ylmethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— (5E)-5-[[2-(dipropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-heptyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C25H34N4O2S2
    (5E)-5-[[2-(dipropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-heptyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 3-{(Z)-[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-{[3-(4-morpholinyl)propyl]amino}-4H-pyrido[1,2-A]pyrimidin-4-one 618073-61-3 C23H29N5O4S2
    3-{(Z)-[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-9-methyl-2-{[3-(4-morpholinyl)propyl]amino}-4H-pyrido[1,2-A]pyrimidin-4-one
    —— 5-((Z)-1-{2-[(3-isopropoxypropyl)amino]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-3-pentyl-2-thioxo-1,3-thiazolan-4-one —— C24H32N4O3S2
    5-((Z)-1-{2-[(3-isopropoxypropyl)amino]-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}methylidene)-3-pentyl-2-thioxo-1,3-thiazolan-4-one
    —— 2-(2,6-dimethylmorpholin-4-yl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one —— C22H26N4O4S2
    2-(2,6-dimethylmorpholin-4-yl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 2-[(3-ethoxypropyl)amino]-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H26N4O3S2
    2-[(3-ethoxypropyl)amino]-3-{(Z)-[4-oxo-3-(2-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— Salor-int L422878-1EA —— C24H30N4O2S2
    Salor-int L422878-1EA
    —— 2-(3,5-dimethylpiperidin-1-yl)-7-methyl-3-{(Z)-[4-oxo-3-(1-phenylethyl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C28H30N4O2S2
    2-(3,5-dimethylpiperidin-1-yl)-7-methyl-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-methoxypropyl)amino]-3-{(Z)-[3-(3-methoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one —— C20H24N4O4S2
    2-[(3-methoxypropyl)amino]-3-{(Z)-[3-(3-methoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-{(Z)-[3-(3-ethoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-[(3-methoxypropyl)amino]-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-methoxypropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 3-[(Z)-(3-Allyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(3,5-dimethyl-1-piperidinyl)-9-methyl-4H-pyrido[1,2-A]pyrimidin-4-one —— C23H26N4O2S2
    3-[(Z)-(3-Allyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(3,5-dimethyl-1-piperidinyl)-9-methyl-4H-pyrido[1,2-A]pyrimidin-4-one
    —— 2-(3,5-Dimethyl-1-piperidinyl)-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 —— C23H28N4O3S2
    2-(3,5-Dimethyl-1-piperidinyl)-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
    —— 3-{(Z)-[3-(4-fluorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(1H-imidazol-1-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one —— C25H21FN6O2S2
    3-{(Z)-[3-(4-fluorobenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-{[3-(1H-imidazol-1-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
    —— 6-{(5Z)-5-[(9-methyl-4-oxo-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-3-yl)methylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}hexanoic acid —— C25H32N4O5S2
    6-{(5Z)-5-[(9-methyl-4-oxo-2-{[3-(propan-2-yloxy)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-3-yl)methylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}hexanoic acid