30560-28-2 BRN 2440339 O,S-Dimethyl (2-methyl-1-oxopropyl)phosphoramidothioate O,S-Dimethyl-N-isobutyrylphosphoroamidothioate Phosphoramidothioic acid, (2-methyl-1-oxopropyl)-, O,S-dimethyl ester Phosphoramidothioic acid, isobutyryl-, O,S-dimethyl ester