2-methylpropan-2-yl 4-[4-amino-3-(propan-2-yloxy)phenyl]-2-ethylpiperidine-1-carboxylate
2-methylpropan-2-yl 6-ethyl-4-[4-nitro-3-(propan-2-yloxy)phenyl]-3,6-dihydropyridine-1(2H)-carboxylate
4-(3,5-bis-trifluoromethyl-benzylamino)-2-ethyl-piperidine-1-carboxylic acid tert-butyl ester