1-Boc-4-哌啶甲酸乙酯

1-Boc-4-甲烷磺酰氧基哌啶

2-(哌啶-4-基)吡啶双盐酸盐

4-(4-氨基苯氧基)-1-哌啶甲酸叔丁酯

tert-butyl 4-methyl-4-(3-methylpiperazin-1-yl)piperidine-1-carboxylate