3-(6-氨基-3-甲基-吡啶-2-基)-苯甲酸叔丁酯

4-(phenylmethoxycarbonylamino)butyl methanesulfonate

dimethyl 2-(methanesulfonamido)benzene-1,4-dicarboxylate

2-硝基-4-甲砜基甲苯

1-BOC-4-甲磺酰基氧甲基哌啶