化工字典查询:
首页
\
化工字典
\
CAS NO:29472-17-1
CAS:
29472-17-1
英文名称:
2-oxepanone, polymer with 1,2-ethanediol and 1,1'-methylenebis[4-isocyanatobenz
2-oxepanone, polymer with 1,2-ethanediol and