(1-Methylethylidene)bis(4,1-phenyleneoxy(2-methyl-2,1-ethanediyl)) 2-methyl-2-propenoate 126415-01-8 2,2-Bis(4-(2-methacryloyloxypropoxy)phenyl)propane 2-Propenoic acid, 2-methyl-, (1-methylethylidene)bis(4,1-phenyleneoxy(2-methyl-2,1-ethanediyl) ester Bis-2-pma