亚洲AV色综合久久综合萌白酱,精品伦精品一区二区三区视频,色欲色香天天天综合网站无码86,日本丰满熟妇VIDEOSSEX

Acetaldehyde

detail
Acetaldehyde
Product name Acetaldehyde
CAS RN 75-07-0
EINECS No. 200-836-8
Molecular formula C2H4O
Molecular weight 44.05