has role has functional parent independent continuant acaricide nematicide agrochemical diazinon CHEBI:34682 A member of the class of pyrimidines that is pyrimidine carrying an isopropyl group at position 2, a methyl group at position 6 and a (diethoxyphosphorothioyl)oxy group at position 4. xenobiotic organic thiophosphate EC 3.1.1.8 (cholinesterase) inhibitor EC 3.1.1.7 (acetylcholinesterase) inhibitor 2-isopropyl-6-methylpyrimidin-4-ol pyrimidines environmental contaminant