Hydrazinecarboxylic acid, 2-[1-[4-(ethoxycarbonyl)phenyl]ethylidene]-, 1,1-dimethylethyl ester
Hydrazinecarboxylic acid, [1-[4-(ethoxycarbonyl)phenyl]ethylidene]-, 1,1-dimethylethyl ester
1,1-Dimethylethyl 2-[1-[4-(ethoxycarbonyl)phenyl]ethylidene]hydrazinecarboxylate
tert-Butyl N′-[1-[4-(ethoxycarbonyl)phenyl]ethylidene]hydrazinecarboxylate