1-Propanesulfonic acid, 3-((3-(dimethylamino)propyl)((heptadecafluorooctyl)sulfonyl)amino)- 3-((3-(Dimethylamino)propyl)((heptadecafluorooctyl)sulphonyl)amino)propanesulphonic acid 3-((3-(Dimethylamino)propyl)(heptadecafluorooctyl)sulfonylamino)-1-propanesulfonic acid 72785-08-1 EINECS 276-830-4