1,3,3-Trimethyl-5-chloro-2-(2-(4-(N-methyl-N-beta-hydroxyethylamino)phenyl)vinyl)indolium chloride 3H-Indolium, 5-chloro-2-(2-(4-((2-hydroxyethyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride 5-Chloro-2-(2-(4-((2-hydroxyethyl)methylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium chloride 68134-36-1 EINECS 268-748-2