O [(O-piperazinocarbonyl-phenyl)-thio]-benzoates
O(S)(NH) Trifluoromethyl-aryl phosphonates
O,O'-Bis(hydroxyalkyl) N,N-di(lower-alkyl)aminomethane phosphona
O,O,O',O'-Tetraethyl-S,S'-methylene-bis(p-phenylenethiomethylene
O,O,O',O'-Tetramethyl O,O'-trithiodi-p-phenylene ester
O,O-Dialkyl-N-(benzyl or t-butyl)-N-cyanomethyl aminomethylphosp
O,O-dialkyl-N-phosphonomethyl-N-halomethyl acetamide
O,O-Dialkyl-s-(2,3,4-trichloro)butyl thiophosphate
O,O-dialkyldithiophosphoryl-N-hydrocarbylthiophosphoramides
O,O-Diethyl-2-(5-ethyl-6-bromothiazolo[3,2-b]-s-triazolyl)thiono
O,O-diethyl-O-carboxamidophosphate esters
O,S-Dialkyl esters of pyridylthio- and pyridyldithio-phosphoric
O,S-Dialkyl esters of pyridylthio- and pyridyldithiophosphoric a
O,S-dialkyl O-sulfonyloxy-phenyl phosphorothiolates and phosphor
O,S-Dialkyl O-sulfonyloxyphenyl phosphorothiolates and phosphoro
O,S-dialkyl urido thiophosphates
O,S-dialkyl- and O-alkyl-S-alkoxyalkyl-S-1,2,4-oxa-diazolyl-3-me
O,S-Dialkyl-O-(1-methoxyphenyl-2-halovinyl)-dithiophosphates
O,S-dialkyl-O-allylphenyl-thiophosphates and -dithiophosphates
O,S-dialkyl-O-cyanomethylphenylthio-phosphates and -dithiophosph