111478-93-4
α-amino-7-ethyl-1H-indole-3-acetic acid ethyl ester
→
111478-95-6
7-ethyl-β-(formylamino)-1H-indole-3-ethanol formate
111478-92-3
7-ethyl-α-(hydroxyimino)-1H-indole-3-acetic acid ethyl ester