Cyfen; Dowco 214; Dursban ME; Dursban Methyl; ENT 27520; M 3196; Methyl Dursban; Methyl Chlorpyrifos; Noltran; O,O-Dimethyl O-(3,5,6-trichloro-2-pyridyl) phosphorothioate; O,O-Dimethyl O-(3,5,6-trichloro-2-pyridyl) Thiophosphate; O-(3,5,6-Trichloro-2-pyridinyl) O,O-dimethyl phosphorothioate; OMS 1155; Reldan; Chlorpyrifos M; Chlorpyrifos-methyl; O,O-Dimethyl O-(3,5,6-trichloro-2-pyridyl) Ester Phosphorothioic Acid;