1-Piperidinecarboxylic acid, 4-[4-amino-2-methyl-5-(1-methylethoxy)phenyl]-, 1,1-dimethylethyl ester
1,1-Dimethylethyl 4-[4-amino-2-methyl-5-(1-methylethoxy)phenyl]-1-piperidinecarboxylate
tert-Butyl 4-(4-amino-5-isopropoxy-2-methylphenyl)piperidine-1-carboxylate