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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
    —— 5-[[2-[(2-Hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C23H20N4O3S2
    5-[[2-[(2-Hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 6-[5-[[2-[(2-Hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]hexanoic acid —— C26H26N4O5S2
    6-[5-[[2-[(2-Hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]hexanoic acid
    —— 6-Fluoro-2-(5-nitro-6-piperidin-1-ylpyrimidin-4-yl)-1,3,4,5-tetrahydropyrido[4,3-b]indole —— C20H21FN6O2
    6-Fluoro-2-(5-nitro-6-piperidin-1-ylpyrimidin-4-yl)-1,3,4,5-tetrahydropyrido[4,3-b]indole
    —— 1-[3-[2-Cyano-3-[(1,1-dioxothiolan-3-yl)amino]-3-oxoprop-1-enyl]-9-methyl-4-oxopyrido[1,2-a]pyrimidin-2-yl]piperidine-4-carboxamide —— C23H26N6O5S
    1-[3-[2-Cyano-3-[(1,1-dioxothiolan-3-yl)amino]-3-oxoprop-1-enyl]-9-methyl-4-oxopyrido[1,2-a]pyrimidin-2-yl]piperidine-4-carboxamide
    —— 5-[[2-(Dipropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-propyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C21H26N4O2S2
    5-[[2-(Dipropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-propyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 5-[[2-[2-(2-Hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-(3-methoxypropyl)-2-sulfanylidene-1,3-thiazolidin-4-one —— C20H24N4O5S2
    5-[[2-[2-(2-Hydroxyethoxy)ethylamino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-(3-methoxypropyl)-2-sulfanylidene-1,3-thiazolidin-4-one
    —— N-(1,3-benzodioxol-5-ylmethyl)-2-imino-1-octyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide —— C28H31N5O4
    N-(1,3-benzodioxol-5-ylmethyl)-2-imino-1-octyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
    —— 5-[[9-Methyl-4-oxo-2-(oxolan-2-ylmethylamino)pyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-propan-2-yl-2-sulfanylidene-1,3-thiazolidin-4-one —— C21H24N4O3S2
    5-[[9-Methyl-4-oxo-2-(oxolan-2-ylmethylamino)pyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-propan-2-yl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 2-imino-N-(4-methoxybenzyl)-5-oxo-1-(2-phenylethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide —— C28H25N5O3
    2-imino-N-(4-methoxybenzyl)-5-oxo-1-(2-phenylethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
    —— ethyl 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5-methyl-4-oxo-3-[[(2S)-oxolan-2-yl]methyl]thieno[2,3-d]pyrimidine-6-carboxylate —— C24H23ClN4O5S2
    ethyl 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5-methyl-4-oxo-3-[[(2S)-oxolan-2-yl]methyl]thieno[2,3-d]pyrimidine-6-carboxylate
    —— 5-[[2-(3-Imidazol-1-ylpropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[2-(4-methoxyphenyl)ethyl]-2-sulfanylidene-1,3-thiazolidin-4-one —— C28H28N6O3S2
    5-[[2-(3-Imidazol-1-ylpropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-[2-(4-methoxyphenyl)ethyl]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— ethyl 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5-methyl-4-oxo-3-[[(2R)-oxolan-2-yl]methyl]thieno[2,3-d]pyrimidine-6-carboxylate —— C24H23ClN4O5S2
    ethyl 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-5-methyl-4-oxo-3-[[(2R)-oxolan-2-yl]methyl]thieno[2,3-d]pyrimidine-6-carboxylate
    —— 2-Imino-8-methyl-1-(3-morpholin-4-yl-propyl)-3-(toluene-4-sulfonyl)-1,2-dihydro-1,9,10a-triaza-anthrace n-10-one —— C26H29N5O4S
    2-Imino-8-methyl-1-(3-morpholin-4-yl-propyl)-3-(toluene-4-sulfonyl)-1,2-dihydro-1,9,10a-triaza-anthrace n-10-one
    —— N~3~-(2-furylmethyl)-2-imino-1-(3-isopropoxypropyl)-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide —— C24H27N5O4
    N~3~-(2-furylmethyl)-2-imino-1-(3-isopropoxypropyl)-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide
    —— 3-Cyclopentyl-5-[[2-[(2-hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C25H24N4O3S2
    3-Cyclopentyl-5-[[2-[(2-hydroxy-2-phenylethyl)amino]-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 3-(3-Ethoxypropyl)-5-[(9-methyl-2-morpholin-4-yl-4-oxopyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H26N4O4S2
    3-(3-Ethoxypropyl)-5-[(9-methyl-2-morpholin-4-yl-4-oxopyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-[(2R)-1-phenylbutan-2-yl]quinazolin-4-one —— C27H23ClN4O2S
    2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-[(2R)-1-phenylbutan-2-yl]quinazolin-4-one
    —— methyl 4-oxo-3-[[(2S)-oxolan-2-yl]methyl]-2-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]quinazoline-7-carboxylate —— C24H22N4O5S
    methyl 4-oxo-3-[[(2S)-oxolan-2-yl]methyl]-2-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]quinazoline-7-carboxylate
    —— 2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-[(2S)-1-phenylbutan-2-yl]quinazolin-4-one —— C27H23ClN4O2S
    2-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-[(2S)-1-phenylbutan-2-yl]quinazolin-4-one
    —— 2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(2-methoxyphenyl)methyl]acetamide —— C29H23ClN6O4S
    2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(2-methoxyphenyl)methyl]acetamide
    —— N-[(2-methoxyphenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C29H24N6O4S
    N-[(2-methoxyphenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— 3-((4-Chlorophenyl)sulfonyl)-2-imino-10-methyl-1-(pyridin-3-ylmethyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one 577987-20-3 C24H18ClN5O3S
    3-((4-Chlorophenyl)sulfonyl)-2-imino-10-methyl-1-(pyridin-3-ylmethyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one
    —— N-benzyl-2-imino-5-oxo-1-[3-(propan-2-yloxy)propyl]-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide —— C25H27N5O3
    N-benzyl-2-imino-5-oxo-1-[3-(propan-2-yloxy)propyl]-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
    —— N-(1,3-benzodioxol-5-ylmethyl)-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C29H22N6O5S
    N-(1,3-benzodioxol-5-ylmethyl)-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-(1,3-benzodioxol-5-ylmethyl)-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C29H22N6O5S
    N-(1,3-benzodioxol-5-ylmethyl)-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— 2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(4-methoxyphenyl)methyl]acetamide —— C29H23ClN6O4S
    2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(4-methoxyphenyl)methyl]acetamide
    —— N-[(4-fluorophenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C28H21FN6O3S
    N-[(4-fluorophenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-benzyl-2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C28H21ClN6O3S
    N-benzyl-2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-[(4-fluorophenyl)methyl]-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C28H21FN6O3S
    N-[(4-fluorophenyl)methyl]-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-[(4-methoxyphenyl)methyl]-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C29H24N6O4S
    N-[(4-methoxyphenyl)methyl]-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-benzyl-2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C28H21ClN6O3S
    N-benzyl-2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-[(4-methoxyphenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C29H24N6O4S
    N-[(4-methoxyphenyl)methyl]-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— 2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(4-methoxyphenyl)methyl]acetamide —— C29H23ClN6O4S
    2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-[(4-methoxyphenyl)methyl]acetamide
    —— 2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylacetamide —— C27H25ClN6O3S
    2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylacetamide
    —— N-cyclohexyl-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C27H26N6O3S
    N-cyclohexyl-2-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— 2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(furan-2-ylmethyl)acetamide —— C26H19ClN6O4S
    2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(furan-2-ylmethyl)acetamide
    —— N-cyclohexyl-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide —— C27H26N6O3S
    N-cyclohexyl-2-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]acetamide
    —— N-cyclohexyl-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide —— C28H28N6O3S
    N-cyclohexyl-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide
    —— 2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)acetamide —— C26H19ClN6O3S2
    2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)acetamide
    —— N-(furan-2-ylmethyl)-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide —— C27H22N6O4S
    N-(furan-2-ylmethyl)-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide
    —— 2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(furan-2-ylmethyl)acetamide —— C26H19ClN6O4S
    2-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(furan-2-ylmethyl)acetamide
    —— 3-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylpropanamide —— C28H27ClN6O3S
    3-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylpropanamide
    —— 2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)acetamide —— C26H19ClN6O3S2
    2-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)acetamide
    —— 3-[(4-bromophenyl)sulfonyl]-2-imino-10-methyl-1-propyl-1,2-dihydro-5H-dipyrido[1,2-a:2',3'-d]pyrimidin-5-one —— C21H19BrN4O3S
    3-[(4-bromophenyl)sulfonyl]-2-imino-10-methyl-1-propyl-1,2-dihydro-5H-dipyrido[1,2-a:2',3'-d]pyrimidin-5-one
    —— 3-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide —— C27H21ClN6O3S2
    3-[(2S)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide
    —— 3-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide —— C27H21ClN6O3S2
    3-[(2R)-5-[(7-chloro-4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide
    —— N-[(2-methoxyphenyl)methyl]-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide —— C30H26N6O4S
    N-[(2-methoxyphenyl)methyl]-3-[(2R)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]propanamide
    —— 5-[[2-(Dipropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C22H26N4O2S2
    5-[[2-(Dipropylamino)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one
    —— 1-(4-fluorobenzyl)-2-imino-5-oxo-N-(tetrahydro-2-furanylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide —— C24H22FN5O3
    1-(4-fluorobenzyl)-2-imino-5-oxo-N-(tetrahydro-2-furanylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide
    —— 3-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide —— C27H22N6O3S2
    3-[(2S)-3-oxo-5-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methylsulfanyl]-2H-imidazo[1,2-c]quinazolin-2-yl]-N-(thiophen-2-ylmethyl)propanamide