2-(2-(4-((4-Ethoxyphenyl)methylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium dihydrogen phosphate 3H-Indolium, 2-(2-(4-((4-ethoxyphenyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-, phosphate (1:1) 83949-65-9 EINECS 281-425-0