Synonyms: Phosphonothioicacid, phenyl-, O-(2,4-dichlorophenyl) O-ethyl ester (7CI,8CI,9CI); Phenol,2,4-dichloro-, O-ester with O-ethyl phenylphosphonothioate (8CI); EPBP; O-EthylO-(2,4-dichlorophenyl) phenylphosphonothioate; O-Ethyl O-2,4-dichlorophenylthionobenzenephosphonate; S-Seven