常見(jiàn)例句雙語(yǔ)例句Thiophene reacted with bromine and zinc to obtain 3-bromothiophene via substitution and reduction reaction.本文以噻吩與溴、鋅粉依次發(fā)生取代，還原反應(yīng)生成3-溴噻吩。 返回 bromine substitution