for the following products
3-{2-[2-(3-Ethyl-5-methyl-benzothiazol-2(3H)-ylidenemethyl)-but-1-enyl]-naphtho[1,2-d]thiazol-1-yl}-propane-1-sulfonic acid | 4,5-Benzo-3',9-diethyl-5'-methyl-3-(3-sulfopropyl)thiacarbocyanine betaine and 2-{2-[(3-Ethyl-5-methyl-2(3H)-benzothiazolylidene)methyl]-1-butenyl}-1-(3-sulfopropyl)naphtho[1,2-d]thiazolium hydroxide inner salt