2-(4-羧基苯基)苯并噻唑

二氯二甲基硅烷

ditert-butyl benzene-1,4-dicarboxylate

5,5-dimethyl-3,7-dioxabicyclo[7.2.2]trideca-1(11),9,12-triene-2,8-dione

对苯二甲酰氯