124840-97-7 4-Oxo-4-((5-propyl-1,3,4-thiadiazol-2-yl)amino)butanoic acid 2-(1-oxopropyl)hydrazide BRN 4205954 Butanoic acid, 4-oxo-4-((5-propyl-1,3,4-thiadiazol-2-yl)amino)-, 2-(1-oxopropyl)hydrazide Succinic 5-n-propyl-(1,3,4-thiadiazolyl)amide propionylhydrazide