108-35-0 4-23-00-02424 (Beilstein Handbook Reference) BRN 0019355 Diethyl 3-methyl-5-pyrazolyl thionophosphate ENT 25,557-X G-24027 Geigy G-24027 Methylpyrazolyl diethylthiophosphate O,O-Diethyl O-(3-methyl-5-pyrazolyl) phosphorothionate PYRAZOTHION Phosphorothioic acid, O,O-diethyl O-(3-methyl-1H-pyrazol-5-yl) ester Phosphorothioic acid, O,O-diethyl-O-(5-methyl-3-pyrazolyl) ester