亚洲日韩小视频在线观看_三级片在线观看国产_自偷自拍野外自偷自拍_日本老熟妇乱子伦在线视频

Products

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

2,4-Difluorobenzophenone

Product name 2,4-Difluorobenzophenone
Alias 2,4-Difluorobenzophenone
CAS RN 85068-35-5
EINECS No. 285-297-7
Molecular formula C13H8F2O
Molecular weight 218.1988
Last one： 2-Chlorobenzoic acid Next one：3-Chloro-2-methylani