10319-70-7 Acetamidine, 2-mercapto-, hydrogen sulfate (ester) (8CI) BRN 1938718 Methanethiol, amidino-, hydrogen thiosulfate NSC 187482 S-(Amidinomethyl) hydrogen thiosulfate Thiosulfuric acid (H2S2O3), S-(2-amino-2-iminoethyl) ester (9CI)