短语词组短语poly benzazole 苯并唑类聚合物1 -Benzazole 苯并吡咯3 amide 8 benzazole 酰氨基中氮茚2 -substituted benzazole compounds 取代苯并唑系化合物3 -amide-8-benzazole 酰氨基中氮茚 返回 benzazole