| 6-((4-methyl-1-piperazinyl)carbonyl)-4-oxo-4h-pyran-2-carboxylic aci ethyl |
| 6-((4-methyl-1-piperazinyl)carbonyl)-4-oxo-4h-pyran-2-carboxylic acid ethyl e |
| ethyl n-methylpiperazine amide pyranedicarboxylate hydrochloride |
| n-methylpiperazinamide monoethyl pyranedicarboxylate hydrochloride |
| 4h-pyran-2-carboxylic acid,6-((4-methyl-1-piperazinyl)carbonyl)-4-oxo-, ethyl ester,monohydrochloride |
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