Organothiophosphate Isoxathion Phenthoate Cythioate Oxydemeton-methyl Tebupirimfos Demephion Prothoate Quinalphos Dimethyl dithiophosphoric acid Chlormephos Phoxim Fonofos Pyrazolopyrimidine Parathion methyl Demeton-S-methyl Cadusafos Azamethiphos Fenthion Thiophosphate Organophosphorus chemistry Oligonucleotide Organophosphate Phosphonate Phosphate Demeton Diethyl dithiophosphoric acid Coumaphos Thionazin Edifenphos Chlorethoxyfos Pirimiphos-methyl VG (nerve agent) Temefos Cyanophos Chlorthiophos Dichlofenthion Omethoate Echothiophate Carbophenothion TBPS Parathion S Fenitrothion Malaoxon Diazinon Sulfotep Parathion Chlorpyrifos