123174-42-5 2-[ethyl(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctylsulfonyl)amino]ethyl 2-methylprop-2-enoate 487016-76-2 2,6,9-Trioxabicyclo[3.3.1]nona-3,7-diene-4,8-dicarboxylic acid,1,3,5,7-tetrakis(1,1-dimethylethyl)-, bis[2-(2-hydroxyethoxy)ethyl] ester