Page 530 - Veterinary Toxicology, Basic and Clinical Principles, 3rd Edition
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Organophosphates and Carbamates Chapter | 37  497




  VetBooks.ir  TABLE 37.1 Types of Organophosphates                Example


               Type of OP
                                   Chemical Structure
               Phosphates              O                           Chlorfenvinphos, Dichlorvos, Monocrotophos
                                   RO  P   OR
                                       OR
               Phosphonates            O                           Trichlorfon
                                   RO   P  R
                                       OR
               Phosphinates           O                            Gluphosinate
                                   R  P   R
                                      OR
               Phosphorothioates (S)    S                          Bromophos, Diazinon, Fenthion, Parathion, Pirimiphos-
                                                                   methyl
                                   RO   P  OR
                                       OR
               Phosphonothioates (S)    S                          EPN, Leptophos
                                   RO   P  R
                                        OR
               Phosphorothioates       O                           Demeton-S-methyl, Echothiophate
               (S-substituted)
                                   RS   P  OR
                                       OR
               Phosphonothioates       O                           VX
               (S-substituted)
                                   RS  P   R

                                       OR

               Phosphorodithioates     O              S            Azinphos-ethyl, Azinphos-methyl, Dimethoate, Disulfoton,
                                                                   Malathion, Methidathion
                                   RS   P  SR or  RS  P  OR
                                       OR             OR
               Phosphorotrithioates                                DEF (tribufos)
                                       O
                                   RS   P  SR

                                        SR
               Phosphoramidates                                    Fenamiphos

                                       O     R
                                   RO  P   N
                                       OR    R
               Phosphoramidothioates   S     R           O     R   Methamidophos, Isofenphos
                                   RO  P   N     or  RS  P  N
                                       OR    R           OR    R
                                                                                                     (Continued )
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