天天玩天天干夜夜吻夜夜添_亚洲另类无码专区首_717午夜福利电影_中国极品美軳视频区

Current location:產(chǎn)品與服務(wù) >Biphenolic A-type Cyanate Resin Monomer (SD-1)
Biphenolic A-type Cyanate Resin Monomer (SD-1)

Molecular formula: C17H14N2O2
Molecular weight: 278.31
Properties: white solid crystal
Properties of synthetic resin:
【Back】