1-Methyl-4-(2-methyl-6,11-dihydrodibenzo(b,e)thiepin-11-ylidene)tetrahydrothiopyranium iodide 116197-00-3 2H-Thiopyranium, tetrahydro-4-(6,11-dihydro-2-methyldibenzo(b,e)thiepin-1-ylidene)-1-methyl-,iodide