4-ethoxycarbonyl-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-4-carboxylic acid

4-二苯基亚甲基哌啶

哌啶-4-甲酰胺

2-氧杂-8-氮杂螺[4.5]癸烷-1-酮盐酸盐

N-Boc-4-氟-4-哌啶甲酸乙酯