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—— 8-[[4-(3-Chlorophenyl)piperazin-1-yl]methyl]-1,3-dimethyl-7-phenacylpurine-2,6-dione —— C26H27ClN6O3
8-[[4-(3-Chlorophenyl)piperazin-1-yl]methyl]-1,3-dimethyl-7-phenacylpurine-2,6-dione
—— 8-(3-chloro-4-fluorophenyl)-2-cyclohexyl-6-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C36H36ClFN2O6
8-(3-chloro-4-fluorophenyl)-2-cyclohexyl-6-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxy-3-methylphenyl)-2,6a-dimethyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C36H33ClN4O5S
8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxy-3-methylphenyl)-2,6a-dimethyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-2-hydroxy-6-(2-hydroxynaphthalen-1-yl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C38H31ClN4O6S
8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-2-hydroxy-6-(2-hydroxynaphthalen-1-yl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8,18-Dioxo-5-(2-phenylethylamino)-1,4,6,11-tetrazatetracyclo[8.8.0.02,7.012,17]octadeca-2,4,6,9,12,14,16-heptaene-9-carbonitrile —— C23H16N6O2
8,18-Dioxo-5-(2-phenylethylamino)-1,4,6,11-tetrazatetracyclo[8.8.0.02,7.012,17]octadeca-2,4,6,9,12,14,16-heptaene-9-carbonitrile
—— 8-(3-chloro-4-fluorophenyl)-6-(2-hydroxy-4-methoxyphenyl)-6a-methyl-2-(3-nitrophenyl)-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C34H27ClFN3O8
8-(3-chloro-4-fluorophenyl)-6-(2-hydroxy-4-methoxyphenyl)-6a-methyl-2-(3-nitrophenyl)-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— [8-Acetyloxy-3-(2,3-dihydro-1,4-benzodioxin-6-yl)-4-oxochromen-7-yl] acetate —— C21H16O8
[8-Acetyloxy-3-(2,3-dihydro-1,4-benzodioxin-6-yl)-4-oxochromen-7-yl] acetate
—— 8-F-3-(4-Nitro-benzoyl)-pyrrolo(1,2-C)quinazoline-1-carboxylic acid ethyl ester —— C21H14FN3O5
8-F-3-(4-Nitro-benzoyl)-pyrrolo(1,2-C)quinazoline-1-carboxylic acid ethyl ester
—— 8-(3-chlorophenyl)-2-[[3-chloro-6-(trifluoromethyl)pyridin-2-yl]-methylamino]-6-(2-hydroxy-3-methoxyphenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C40H31Cl2F3N4O6
8-(3-chlorophenyl)-2-[[3-chloro-6-(trifluoromethyl)pyridin-2-yl]-methylamino]-6-(2-hydroxy-3-methoxyphenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(3-chlorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-(2-hydroxy-3-methylphenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C47H40ClN5O5
8-(3-chlorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-(2-hydroxy-3-methylphenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[2-(2-Bromo-3-phenylprop-2-enylidene)hydrazinyl]-1,3-dimethyl-7-(2-phenylethyl)purine-2,6-dione —— C24H23BrN6O2
8-[2-(2-Bromo-3-phenylprop-2-enylidene)hydrazinyl]-1,3-dimethyl-7-(2-phenylethyl)purine-2,6-dione
—— 8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxynaphthalen-1-yl)-2-[2-(4-hydroxyphenyl)ethyl]-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C46H39ClN4O6S
8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxynaphthalen-1-yl)-2-[2-(4-hydroxyphenyl)ethyl]-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[[5,13-Dihydroxy-17-(4-methoxybenzoyl)-6,10-dimethyl-5-tricyclo[13.2.2.02,6]nonadeca-1(17),9,15,18-tetraenyl]methyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one —— C43H53N3O5
8-[[5,13-Dihydroxy-17-(4-methoxybenzoyl)-6,10-dimethyl-5-tricyclo[13.2.2.02,6]nonadeca-1(17),9,15,18-tetraenyl]methyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one
—— 8-Methyl-1,3-dinitro-10-(3-phenylprop-2-enyl)phenoxazine —— C22H17N3O5
8-Methyl-1,3-dinitro-10-(3-phenylprop-2-enyl)phenoxazine
—— 8-(3,4-Dichlorobenzoyl)-3-[2-(4-methylpiperidin-1-yl)-2-oxoethyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one —— C28H32Cl2N4O3
8-(3,4-Dichlorobenzoyl)-3-[2-(4-methylpiperidin-1-yl)-2-oxoethyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one
—— (8S,9R,13R,14R,17S)-17-[(1S)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol —— C24H38N2O
(8S,9R,13R,14R,17S)-17-[(1S)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol
—— (8S,9R,13R,14R,17R)-17-[(1R)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol —— C24H38N2O
(8S,9R,13R,14R,17R)-17-[(1R)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol
—— (8S,9R,13R,14R,17S)-17-[(1R)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol —— C24H38N2O
(8S,9R,13R,14R,17S)-17-[(1R)-1-[2-(dimethylamino)ethylamino]ethyl]-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-ol
—— (8R)-8-[3-(4-methylpiperazin-1-yl)propyl]-6,7,8,9-tetrahydro-[1]benzofuro[3,2-c]pyridine —— C19H27N3O
(8R)-8-[3-(4-methylpiperazin-1-yl)propyl]-6,7,8,9-tetrahydro-[1]benzofuro[3,2-c]pyridine
—— 8-[2-(1H-indol-3-yl)ethyl]-8-azaspiro[4.5]decane-7,9-dione —— C19H22N2O2
8-[2-(1H-indol-3-yl)ethyl]-8-azaspiro[4.5]decane-7,9-dione
—— 8-(3-chloro-4-fluorophenyl)-2-(4-ethylphenyl)-6-(2-hydroxy-4,6-dimethoxyphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C37H34ClFN2O7
8-(3-chloro-4-fluorophenyl)-2-(4-ethylphenyl)-6-(2-hydroxy-4,6-dimethoxyphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(4-phenyl-3,6-dihydro-2H-pyridine-1-carbonyl)pyrido[2,1-b]quinazolin-11-one —— C24H19N3O2
8-(4-phenyl-3,6-dihydro-2H-pyridine-1-carbonyl)pyrido[2,1-b]quinazolin-11-one
—— 8-((2-HO-Propyl)thio)-7-(2-methoxyethyl)-3-ME-3,7-dihydro-1H-purine-2,6-dione —— C12H18N4O4S
8-((2-HO-Propyl)thio)-7-(2-methoxyethyl)-3-ME-3,7-dihydro-1H-purine-2,6-dione
—— 8-(3-chlorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-[2-(2-hydroxyethoxy)phenyl]-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C48H42ClN5O6
8-(3-chlorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-[2-(2-hydroxyethoxy)phenyl]-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(3-chlorophenyl)-6-(3-fluoro-4-hydroxyphenyl)-2-(3-nitrophenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C38H27ClFN3O7
8-(3-chlorophenyl)-6-(3-fluoro-4-hydroxyphenyl)-2-(3-nitrophenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-4-ium-1-carbonyl]pyrido[2,1-b]quinazolin-11-one —— C25H23N4O4+
8-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-4-ium-1-carbonyl]pyrido[2,1-b]quinazolin-11-one
—— 8-(2,4-dichloroanilino)-6-(3-ethoxy-4-hydroxyphenyl)-6a-(4-methoxyphenyl)-2-(4-morpholin-4-ylphenyl)-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C45H42Cl2N4O8
8-(2,4-dichloroanilino)-6-(3-ethoxy-4-hydroxyphenyl)-6a-(4-methoxyphenyl)-2-(4-morpholin-4-ylphenyl)-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(3-chlorophenyl)-6-[4-(2-hydroxyethoxy)phenyl]-2-(4-nitrophenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C40H32ClN3O8
8-(3-chlorophenyl)-6-[4-(2-hydroxyethoxy)phenyl]-2-(4-nitrophenyl)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-2-(3-chloro-4-methylphenyl)-6-(2-hydroxy-3-methylphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C42H36Cl2N4O5S
8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-2-(3-chloro-4-methylphenyl)-6-(2-hydroxy-3-methylphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[4-(1,3-Benzodioxol-5-ylmethyl)piperazine-1-carbonyl]pyrido[2,1-b]quinazolin-11-one —— C25H22N4O4
8-[4-(1,3-Benzodioxol-5-ylmethyl)piperazine-1-carbonyl]pyrido[2,1-b]quinazolin-11-one
—— 8-(Bromomethyl)-2-tert-butyl-6a,9a-dichloro-6-(4-hydroxy-3,5-dimethylphenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C27H29BrCl2N2O5
8-(Bromomethyl)-2-tert-butyl-6a,9a-dichloro-6-(4-hydroxy-3,5-dimethylphenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(4-Pyrimidin-2-ylpiperazine-1-carbonyl)pyrido[2,1-b]quinazolin-11-one —— C21H18N6O2
8-(4-Pyrimidin-2-ylpiperazine-1-carbonyl)pyrido[2,1-b]quinazolin-11-one
—— 8-(Bromomethyl)-6a,9a-dichloro-2-(3-chloro-4-methylphenyl)-6-(4-hydroxyphenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C28H22BrCl3N2O5
8-(Bromomethyl)-6a,9a-dichloro-2-(3-chloro-4-methylphenyl)-6-(4-hydroxyphenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-formyl-4-hydroxy-N-(2-hydroxyethyl)-6-methoxy-3-[5-oxohexanoyl(oxolan-2-ylmethyl)amino]-3,4,4a,9b-tetrahydrodibenzofuran-1-carboxamide —— C28H36N2O9
8-formyl-4-hydroxy-N-(2-hydroxyethyl)-6-methoxy-3-[5-oxohexanoyl(oxolan-2-ylmethyl)amino]-3,4,4a,9b-tetrahydrodibenzofuran-1-carboxamide
—— 8-({4-ethyl-5-[(4-nitrobenzyl)sulfanyl]-4H-1,2,4-triazol-3-yl}methoxy)quinoline —— C21H19N5O3S
8-({4-ethyl-5-[(4-nitrobenzyl)sulfanyl]-4H-1,2,4-triazol-3-yl}methoxy)quinoline
—— 8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxy-2-methoxyphenyl)-6a-methyl-2-propyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C38H37ClN4O6S
8-[5-(5-chloro-3-methyl-1-benzothiophen-2-yl)-2-methylpyrazol-3-yl]-6-(4-hydroxy-2-methoxyphenyl)-6a-methyl-2-propyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(Bromomethyl)-6a,9a-dichloro-6-(3-chloro-4-hydroxy-5-methoxyphenyl)-2-(4-iodophenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C28H21BrCl3IN2O6
8-(Bromomethyl)-6a,9a-dichloro-6-(3-chloro-4-hydroxy-5-methoxyphenyl)-2-(4-iodophenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(Bromomethyl)-6a,9a-dichloro-6-(3-fluoro-4-hydroxyphenyl)-2-(thiophen-2-ylmethyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C26H20BrCl2FN2O5S
8-(Bromomethyl)-6a,9a-dichloro-6-(3-fluoro-4-hydroxyphenyl)-2-(thiophen-2-ylmethyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(Bromomethyl)-6a,9a-dichloro-6-(2,3-dibromo-4-hydroxy-5-methoxyphenyl)-2-[4-[2-(2,5-dimethoxyphenyl)ethenyl]phenyl]-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C38H31Br3Cl2N2O8
8-(Bromomethyl)-6a,9a-dichloro-6-(2,3-dibromo-4-hydroxy-5-methoxyphenyl)-2-[4-[2-(2,5-dimethoxyphenyl)ethenyl]phenyl]-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-methoxy-N-(2-pyridin-4-ylethyl)-4,5-dihydrobenzo[g][1,2]benzoxazole-3-carboxamide —— C20H19N3O3
8-methoxy-N-(2-pyridin-4-ylethyl)-4,5-dihydrobenzo[g][1,2]benzoxazole-3-carboxamide
—— 8-(3-chlorophenyl)-6-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C35H29ClN2O6
8-(3-chlorophenyl)-6-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-(3-chloro-4-fluorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-(4-hydroxy-3-methoxyphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C42H37ClFN5O6
8-(3-chloro-4-fluorophenyl)-2-[4-[[4-(dimethylamino)phenyl]diazenyl]phenyl]-6-(4-hydroxy-3-methoxyphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[[5,13-Dihydroxy-17-(4-methoxybenzoyl)-6,10-dimethyl-5-pentacyclo[13.2.2.01,9.02,6.010,15]nonadeca-16,18-dienyl]methyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one —— C43H53N3O5
8-[[5,13-Dihydroxy-17-(4-methoxybenzoyl)-6,10-dimethyl-5-pentacyclo[13.2.2.01,9.02,6.010,15]nonadeca-16,18-dienyl]methyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one
—— 8-Benzyl-3-[2-[2-(hydroxymethyl)pyrrolidin-1-yl]-2-oxoethyl]-10-oxa-1-azabicyclo[10.3.0]pentadec-5-ene-2,9-dione —— C27H36N2O5
8-Benzyl-3-[2-[2-(hydroxymethyl)pyrrolidin-1-yl]-2-oxoethyl]-10-oxa-1-azabicyclo[10.3.0]pentadec-5-ene-2,9-dione
—— 8-methoxy-N-[(2S)-6-methylheptan-2-yl]-4,5-dihydrobenzo[g][1]benzothiole-2-carboxamide —— C22H29NO2S
8-methoxy-N-[(2S)-6-methylheptan-2-yl]-4,5-dihydrobenzo[g][1]benzothiole-2-carboxamide
—— 8-Prop-2-enyl-8-azaspiro[4.5]decane-7,9-dione —— C12H17NO2
8-Prop-2-enyl-8-azaspiro[4.5]decane-7,9-dione
—— (8-methoxy-4,5-dihydrobenzo[g][1]benzothiol-2-yl)-[(3S)-3-methylpiperidin-1-yl]methanone —— C20H23NO2S
(8-methoxy-4,5-dihydrobenzo[g][1]benzothiol-2-yl)-[(3S)-3-methylpiperidin-1-yl]methanone
—— (8-methoxy-4,5-dihydrobenzo[g][1]benzothiol-2-yl)-[(3R)-3-methylpiperidin-1-yl]methanone —— C20H23NO2S
(8-methoxy-4,5-dihydrobenzo[g][1]benzothiol-2-yl)-[(3R)-3-methylpiperidin-1-yl]methanone
—— 8-(3-chlorophenyl)-6-(4-hydroxy-3-methoxyphenyl)-2-methyl-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone —— C34H29ClN2O6
8-(3-chlorophenyl)-6-(4-hydroxy-3-methoxyphenyl)-2-methyl-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone
—— 8-[(dimethylamino)methyl]-7-hydroxy-3-(3-methyl-1H-benzimidazol-3-ium-2-yl)chromen-2-one —— C20H20N3O3+
8-[(dimethylamino)methyl]-7-hydroxy-3-(3-methyl-1H-benzimidazol-3-ium-2-yl)chromen-2-one