Synonyms: 4-((5-Ethyl-1,3,4-thiadiazol-2-yl)amino)-4-oxo-2-butenoic acid methyl ester;2-BUTENOIC ACID, 4-((5-ETHYL-1,3,4-THIADIAZOL-2-YL)AMINO)-4-OXO-, METHYL ESTER;AC1O5JVO;LS-47149;methyl (E)-4-[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]-4-oxobut-2-enoate;90278-99-2