109675-38-9 111068-35-0 113609-12-4 123009-05-2 136840-77-2 137700-10-8 153859-41-7 156510-87-1 158344-00-4 159250-81-4 161755-93-7 33294-14-3 37187-51-2 39454-68-7 60880-80-0 67383-03-3 68785-40-0 75881-94-6 76188-70-0 85205-72-7 86923-65-1 93907-20-1 Oxirane, 2,2'-((1-methylethylidene)bis((2,6-dibromo-4,1-phenylene)oxymethylene))bis-, homopolymer