ethyl 1-(2-methylsulfanylethyl)-4-phenylpiperidine-4-carboxylate

1-(3-氧代-3-苯基丙基)-4-苯基哌啶-4-羧酸乙酯

苯乙利定

羟芬利定

ethyl 1-(2-hydroxyethyl)-4-phenylpiperidine-4-carboxylate