1-benzopyrylium perchlorate derivative

8-[5-(6,7-dihydro-6-methyl-2,4-diphenyl-5H-1-benzopyran-8-yl)penta-2,4-dienylidene]-5,6,7,8-tetrahydro-6-methyl-2,4-diphenyl-1-benzopyrylium perchlorate

1-Benzopyrylium, 8-[5-(6,7-dihydro-6-methyl- 2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadienylidene ]-5,6,7,8-tetrahydro-6-methyl-2,4-dipheny l-, perchlorate