2-((4-(2,3-Xylyloxy)butyl)amino)ethanethiol hydrogen sulfate (ester) 21224-89-5 BRN 2154494 Ethanethiol, 2-(4-(2,3-xylyloxy)butyl)amino-, hydrogen sulfate (ester) S-2-((4-(2,3-Xylyloxy)butyl)amino)ethyl thiosulfate Thiosulfuric acid, S-(2-((4-(2,3-xylyl)butyl)amino)ethyl) ester WR 4769