tert-butyl 4-(5-chloro-2-fluorobenzyl)-4-hydroxypiperidine-1-carboxylate

1-噁-6-氮杂螺[2.5]辛烷-6-羧酸-1,1-二甲基乙酯

1'-benzyl-5-chloro-2,3-dihydrospiro[benzofuran-2,4'-piperidine]