349615-60-7

ethyl 4-{2-[(2-naphthyloxy)acetyl]hydrazino}-4-oxo-2-butenoate ethyl (2E)-4-{2-[(naphthalen-2-yloxy)acetyl]hydrazinyl}-4-oxobut-2-enoate 2-Butenedioic acid, 1-ethyl ester, 4-[2-[2-(2-naphthalenyloxy)acetyl]hydrazide]