40283-93-0 Methanethiol, N-(p-methoxybenzyl)amidino-, hydrogen thiosulfate NSC 187551 S-((N-(p-Methoxybenzyl)amidino)methyl) hydrogen thiosulfate Thiosulfuric acid (H2S2O3), S-(2-imino-2-(((4-methoxyphenyl)methyl)amino)ethyl) ester (9CI)