英文名称:Isocyanic acid, polymethylenepolyphenylene ester, polymer with 1,1-methylenebis(4-isocyanatobenzene), methyloxirane and oxirane; Isocyanic acid, polymethylenepolyphenylene ester, polymer with 1,1’-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane