1003151-98-1

4-[3-(4-methylpiperazine-1-carbonyl)anilino]-4-oxobutanoic acid 4-{3-[(4-methyl-1-piperazinyl)carbonyl]anilino}-4-oxobutanoic acid Butanoic acid, 4-[[3-[(4-methyl-1-piperazinyl)carbonyl]phenyl]amino]-4-oxo-