2-Pyrimidinephosphorothioic acid, 3-chloro-5,7-dimethylpyrazolyl-, O,O-diethyl ester 32575-80-7 AI3-27608 BAY 79845 Phosphorothioic acid, O-(3-chloro-5,7-dimethylpyrazolo(1,5-a)pyrimidin-2-yl) O,O-diethyl ester