1708-52-7 Phosphoric acid, bis(1-methylethyl) 6-methyl-2-(1-methylethyl)-4-pyrimidinyl ester Phosphoric acid, diisopropyl 2-isopropyl-6-methyl-4-pyrimidinyl ester Phosphoric acid,bis(1-Methylethyl) 6-methyl-2-(1-methylethyl)-4-pyrimidinyl ester