349625-58-7

ethyl 4-{2-[(3-chloro-1-benzothien-2-yl)carbonyl]hydrazino}-4-oxo-2-butenoate ethyl (2E)-4-{2-[(3-chloro-1-benzothiophen-2-yl)carbonyl]hydrazinyl}-4-oxobut-2-enoate 2-Butenedioic acid, 1-ethyl ester, 4-[2-[(3-chlorobenzo[b]thien-2-yl)carbonyl]hydrazide]