23312-11-0 3-Ethyl-2-(3-(3-ethyl-6-nitro-2(3H)-benzothiazolylidene)-1-propenyl)-6-nitrobenzothiazolium chloride Benzothiazolium, 3-ethyl-2-(3-(3-ethyl-6-nitro-2(3H)-benzothiazolylidene)-1-propenyl)-6-nitro-, chloride