筛选产品
聚[(9,9-二正辛基芴基-2,7-二基)-alt-(苯并[2,1,3]噻二唑-4,8-二基)], average Mn ≤25000
聚[(9,9-二正辛基芴基-2,7-二基)-alt-(苯并[2,1,3]噻二唑-4,8-二基)], average Mw >20,000