7511-79-7 Acetic acid, mercapto-, diester with Benzene-arsonous acid, p-[(4,6-diamino-s-triazin-2-yl)-amino]dithio-, disodium salt MERCAPTOACETIC ACID, DIESTER WITH P-[(4,6-DIAMINO-S-TRIAZIN-2-YL)AMINO]DITHIOBENZENEARSONOUS ACID, DISODIUM SALT NCI 203 NSC34662