Synonyms: 8-(5-(6,7-DIHYDRO-2,4-DIPHENYL-5H-1-BENZOPYRAN-8-YL)-2,4-PENTADIENYLIDENE)-5,6,7,8-TETRAHYDRO- 2,4-DIPHENYL-1-BENZOPYRYLIUM TETRAFLUOROBORATE;8-(5-(6,7-DIHYDRO-2,4-DIPHENYL-5H-1-BENZOPYRAN-8-YL)-2,4-PENTADIENYLIDENE)-5,6,7,8-TETRAHYDRO-2,4-DIPHENYL-1-BENZOPYRYLIUM TETRAFLUOROBORATE;8-[5-(6,7-Dihydro-2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadienylidene]-5,6,7,8-tetrahydro-2,4-diphenyl-1-benzopyryli