10319-70-7 Acetamidine, 2-mercapto-, hydrogen sulfate (ester) Methanethiol, amidino-, hydrogen thiosulfate NSC187482 S-(Amidinomethyl) hydrogen thiosulfate Thiosulfuric acid (H2S2O3), S-(2-amino-2-iminoethyl) ester WLN: WSQS1YZUM