for the following products
(O-Ethyldithiocarbonato)-S-(3-sulfopropyl)-ester potassium salt | 1-Propanesulfonic acid 3-(ethoxythioxomethyl-thiol) sodium salt | Potassium;3-ethoxycarbothioylsulfanylpropane-1-sulfonate and O-Ethyl-S-(3-sulfopropyl)-dithiocarbonate potassium salt
