短語詞組短語cyanogen n bromide 溴化氰cyanogen bromide reagent 溴化氰試劑reagent cyanogen bromide 溴化氰試劑cyanogen bromide method 溴化氰法Cyanogen bromide activation 溴化氰活化法cyanogen bromide cleavage 溴化氰裂解CNBr cyanogen bromide 溴化氰Cyanogen bromide synthesis grade 溴化氰cyanogen bromide reaction 溴化氰反應(yīng) 返回 cyanogen bromide