phosphorothioicacid,o,o-dimethylo-(4-(methylsulfinyl)-m-tolyl)ester FENTHIONSULFOXIDE PESTANAL FENTHIONSULFOXIDE PESTANAL 100 MG Fenthionsulfoxide100ug/mlinMethylenechloride fenthionsulfoxide solution dimethoxy-(3-methyl-4-methylsulfinyl-phenoxy)-sulfanylidene-$l^{5}-phosphane dimethoxy-(3-methyl-4-methylsulfinylphenoxy)-sulfanylidene-$l^{5}-phosphane dimethoxy-(3-methyl-4-methylsulfinyl-phenoxy)-thioxo-phosphorane