Synonyms: 1,3,3-TRIMETHYL-2-((E)-2-(2-PHENYL-3-[(E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-1-CYCLOHEXEN-1-YL)ETHENYL)-3H-INDOLIUM TETRAFLUOROBORATE;3H-INDOLIUM, 2-[2-[3-[(1,3-DIHYDRO-1,3,3-TRIMETHYL-2H-INDOL-2-YLIDENE)ETHYLIDENE]-2-PHENYL-1-CYCLOHEXEN-1-YL]ETHENYL]-1,3,3-TRIMETHYL-, TETRAFLUOROBORATE(1-)