1283109-22-7

1(6H)-Pyridazinebutanoic acid, 6-oxo-3-(2-thienyl)- 4-[6-Oxo-3-(2-thienyl)pyridazin-1(6H)-yl]butanoic acid 4-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6h)-yl)butanoic acid 4-[6-oxo-3-(thiophen-2-yl)-1,6-dihydropyridazin-1-yl]butanoic acid