Similar names: Phosphorothioic acid, O,O-dimethyl O-(3,5,6-trichloro-2-pyridyl) ester (7CI,8CI); Chlorpyrifos M; Chlorpyrifos-methyl; Chlorpyriphos-methyl; 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; Reldan E