BENZOTHIAZOLIUM, 3-ETHYL-2-[[7-[(1-ETHYLNAPHTHO[1,2-D]THIAZOLIN-2-YLIDENE)METHYL]-4,4A,5,6-TETRAHYDRO-2(3H)-NAPHTHYLIDENE]METHYL]-, IODIDE

1-ETHYL-2-([7-([3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE]METHYL)-4,4A,5,6-TETRAHYDRO-2(3H)-NAPHTHALENYLIDENE]METHYL)NAPHTHO[1,2-D][1,3]THIAZOL-1-IUM IODIDE