2-((4-(p-Methoxybenzyloxy)butyl)amino)ethanethiol hydrogen sulfate (ester) 21220-99-5 BRN 3067163 Ethanethiol, 2-(4-(p-methoxybenzyloxy)butyl)amino-, hydrogen sulfate (ester) S-2-((4-(p-Methoxybenzyloxy)butyl)amino)ethyl thiosulfate