2-((4-(p-Tolyloxy)butyl)amino)ethanethiol hydrogen sulfate (ester) 21224-81-7 BRN 2141435 Ethanethiol, 2-(4-(p-tolyloxy)butyl)amino-, hydrogen sulfate (ester) S-2-((4-(p-Tolyloxy)butyl)amino)ethyl thiosulfate Thiosulfuric acid, S-(2-((4-(p-tolyloxy)butyl)amino)ethyl) ester WR 3121