37934-18-2 BRN 0995623 O,O-Dimethyl S-((5-(1-methylethyl)-1,3,4-oxadiazol-2-yl)methyl) phosphorodithioate Phosphorodithioic acid, O,O-dimethyl S-((5-(1-methylethyl)-1,3,4-oxadiazol-2-yl)methyl) ester