65104-20-3 Spiro(cyclohexane-1,2'-(1,3)dioxolo(4,5-f)benzothiazolium), 7'-ethyl-6'-(2-((7'-ethylspiro(cyclohexane-1,2'-(1,3)dioxolo(4,5-f)benzothiazol)-6'(7'H)-ylidene)methyl)-1-butenyl)-, iodide