久久99精品国产99久久6尤,国产成人精品综合网站,18国产精品白浆在线观看免费,久久成人无码视频,日本欧美不卡一区二区三区在线,欧美又黄又粗又爽免费看,欧美视频一区二区,免费人妻精品一区二区三区四区,狠狠色狠狠色综合网,97色伦图片7778久久

4-Benzoylbiphenyl
CAS:2128-93-0
White or almost white crystalline powder.
UV curable coatings and inks. Intermediate of Antifungal Bifonazole. An important intermediate and photosensitizer for the synthesis of benzimidazole and photosensitive resins.