33575-77-8 BRN 1080281 O,O-Dimethyl S-((5-propyl-1,3,4-oxadiazol-2-yl)methyl) phosphorodithioate Phosphorodithioic acid, O,O-dimethyl S-((5-propyl-1,3,4-oxadiazol-2-yl)methyl) ester