methyl 3-oxo-1-benzoxepine-7-carboxylate

4-丙氧基苯甲酰氯

4-(2-chloro-1,1,2-trifluoroethoxy)benzoic acid

4-羟基黄烷酮

methyl 4-(1,1,2,2,3,3,4,4,4-nonafluorobutylsulfonyloxy)benzoate