21055-88-9 Bis(2-(ethyl((heptadecafluorooctyl)sulphonyl)amino)ethyl) (4-methyl-1,3-phenylene)biscarbamate Carbamic acid, (4-methyl-1,3-phenylene)bis-, bis(2-(ethyl((heptadecafluorooctyl)sulfonyl)amino)ethyl) ester EINECS 244-181-6