色老板精品无码免费视频,中文字幕亚洲一区二区在线,公嗲嗯啊轻点h古代,又黄又粗又爽免费观看男女,粉嫩AV精品一区二区三区

Products

People oriented, science and technology first, and win-win cooperation

2,4-Dichloro-5-fluoroacetophenone

Product name 2,4-Dichloro-5-fluoroacetophenone;
CAS RN 704-10-9
EINECS No.  
Molecular formula C10H7BrF6O
Molecular weight 337.0564