英文同义词: | Benzene, 4-ethynyl-1,2-diMethoxy-;1,2-Dimethoxy-4-ethynylbenzene;3,4-Dimethoxyphenylacetylene98%;4-ETHYNYL-1,2-DIMETHOXY-BENZENE;1-ETHYNYL-3,4-DIMETHOXY-BENZENE;3',4'-DIMETHOXYPHENYL ACETYLENE;3,4-Dimethoxyphenylacetylene 98%;3',4'-DIMETHOXYPHENYL ACETYLENE |