Synonyms: 3H-BENZ[G]INDOLIUM, 2-[2-[2-CHLORO-3-[(1,3-DIHYDRO-1,3,3-TRIMETHYL-2H-BENZ[G]INDOL-2-YLIDENE)ETHYLIDENE]-1-CYCLOHEXEN-1-YL]ETHENYL]-1,3,3-TRIMETHYL-, SALT WITH 4-METHYLBENZENESULFONIC ACID (1:1);2-((E)-2-(2-CHLORO-3-[(E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-BENZO[G]INDOL-2-YLIDENE)ETHYLIDENE]-1-CYCLOHEXEN-1-YL)ETHENYL)-1,3,3-TRIMETHYL-3H-BENZO[G]INDOLIUM 4-METHYLBENZENESULFONATE