32588-20-8 Dehydrodiazinon O,O-Diethyl O-(2-isopropenyl-6-methyl-4-pyrimidinyl) phosphorothioate Phosphorothioic acid, O,O-diethyl O-(2-isopropenyl-6-methyl-4-pyrimidinyl) ester Phosphorothioic acid, O,O-diethyl O-(6-methyl-2-(1-methylethenyl)-4-pyrimidinyl) ester