19594-37-7 MALONIC ACID, MERCAPTO-, S-ESTER with O,O-DIETHYLPHOSPHOROTHIOATE Malonate malaoxon O,O-Diethyl(S-1-(1,1-dicarbethoxy)methyl) phosphorothiolate Phosphorothioic acid, O,O-diethyl S-(dicarbethoxy)methyl ester