2-Pyrimidinephosphorothioic acid, 3-bromo-5,7-dimethyl pyrazolyl-, O,O-diethyl ester 7682-90-8 AI3-27607 BAY 75546 BRN 0698725 Phosphorothioic acid, O-(3-bromo-5,7-dimethylpyrazolo(1,5-a)pyrimidin-2-yl) O,O-diethyl ester