Synonyms: 2-Thiazolinium,3-ethyl-2-[(3-ethyl-2-benzothiazolinylidene)methyl]-5-[7-[(3-ethyl-2-benzothiazolinylidene)methyl]-4,4a,5,6-tetrahydro-2(3H)-naphthylidene]-4-oxo-,iodide (8CI); Benzothiazolium, 3-ethyl-2-[[3-ethyl-5-[7-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]-4,4a,5,6-tetrahydro-2(3H)-naphthalenylidene]-4-oxo-2-thiazolidinylidene]methyl]-,iodide (9CI)