869478-16-0

tert-butyl 4-(4-chloro-2-formylphenyl)piperazine-1-carboxylate 1,1-Dimethylethyl 4-(4-chloro-2-formylphenyl)-1-piperazinecarboxylate tert-Butyl 4-(4-chloro-2-formylphenyl)tetrahydro-1(2H)-pyrazinecarboxylate 1-Piperazinecarboxylic acid, 4-(4-chloro-2-formylphenyl)-, 1,1-dimethylethyl ester