33575-75-6 BRN 1081972 O,O-Diethyl S-((5-(1-methylethyl)-1,3,4-oxadiazol-2-yl)methyl) phosphorodithioate Phosphorodithioic acid, O,O-diethyl S-((5-(1-methylethyl)-1,3,4-oxadiazol-2-yl)methyl) ester