107811-15-4 Butanoic acid, 4-((5-(1-methylethyl)-1,3,4-thiadiazol-2-yl)amino)-4-oxo-, methyl ester N-(5-Isopropyl-1,3,4-thiadiazol-2-yl)succinamic acid methyl ester Succinamic acid, N-(5-isopropyl-1,3,4-thiadiazol-2-yl)-, methyl ester