2-((4-(p-Propoxyphenoxy)butyl)amino)ethanethiol hydrogen sulfate (ester) 21220-75-7 BRN 2168336 Ethanethiol, 2-(4-(p-propoxyphenoxy)butyl)amino-, hydrogen sulfate (ester) S-2-((4-(p-Propoxyphenoxy)butyl)amino)ethyl thiosulfate