Synonyms: | Azulenylium,3-[3-[3,8-dimethyl-5-(1-methylethyl)-1-azulenyl]-2-hydroxy-4-oxo-2-cyclobuten-1-ylidene]-1,?-dihydro-1,4-dimethyl-7-(1-methylethyl)-,hydroxide, inner salt; Azulenylium,dihydro-3-[2-hydroxy-3-(5-isopropyl-3,8-dimethyl-1-azulenyl)-4-oxo-2-cyclobuten-1-ylidene]-7-isopropyl-1,4-dimethyl-,hydroxide, inner salt (8CI) |