dichloromethylene biradical

4-(叔丁氧基羰基氨基)哌啶-1-羧酸苄酯

4-氯-3-硝基苯甲酸叔丁酯

4-Thiazolecarboxylic acid tert-butyl ester

3-叔-丁氧基苯甲醚