tert-butyl N-(1-ethylsulfonylpiperidin-4-yl)carbamate

tert-butyl N-[1-(2-fluoroacetyl)piperidin-4-yl]carbamate

(4-aminopiperidin-1-yl)-(4-fluorophenyl)methanone

1-苯并[1,3]二氧代l-5-甲基哌啶-4-胺

1-[(4-methylphenyl)methyl]piperidin-4-amine