535-51-3 Aldarson Aldarsone Methanesulfinic acid, (5-arsono-2-hydroxyanilino)-, disodium salt Methanesulfinic acid, [(5-arsono-2-hydroxyphenyl)amino]-, disodium salt NSC31038 Phenarsone sulfoxylate [(5-ARSONO-2-HYDROXYPHENYL)AMINO]METHANESULFINIC ACID, DISODIUM SALT