3,4-Difluorobenzoyl chloride

3,4-Difluorophenylacetic acid

Methyl 3,4-dihydroxybenzoate

3,4-DIMETHOXYBENZENESULFONYL CHLORIDE

3,4-DIMETHOXYBENZENESULFONYL CHLORIDE

2,3-DIMETHOXYBENZONITRILE

2,3-DIMETHOXYBENZONITRILE