化工字典查询:
首页
\
化工字典
\
CAS NO:53037-66-4
CAS:
53037-66-4
英文名称:
nonanedioic acid, polymer with 1,4-butanediol and 1,1'-methylenebis[4-isocyanat
nonanedioic acid, polymer with 1,4-butanediol and