3,3-二苯基-1-(哌嗪-1-基)丙烷-1-酮

tert-butyl 4-[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]piperazine-1-carboxylate

tert-butyl 4-(3-ethoxycarbonylpyridin-2-yl)piperazine-1-carboxylate

tert-butyl 4-(3-bromo-5-methoxycarbonylpyridin-2-yl)piperazine-1-carboxylate

4-(5-甲基吡啶-2-基)哌嗪-1-羧酸叔丁酯