2-(2-(4-(Diethylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium chloride 3H-Indolium, 2-(2-(4-(diethylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride 51258-23-2 56451-40-2 6359-45-1 C.I. BASIC VIOLET 16 EINECS 228-799-3