has role has functional parent dialkyl phosphate acaricide organochlorine insecticide organophosphate insecticide trichlorobenzene agrochemical tetrachlorvinphos CHEBI:35005 alkenyl phosphate EC 3.1.1.8 (cholinesterase) inhibitor EC 3.1.1.7 (acetylcholinesterase) inhibitor 1-phenylethenol