76755-68-5 | 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 |