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-O-carboxamidophosphate esters
O,S-dialkyl urido thiophosphates
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
O-(2-Aryl-3-oxo-1-cyclohexenyl) phosphates
O-(2-vinylphenyl)-thiol-phosphates
O-(2-Vinylphenyl)-thiolphosphates
O-(4-iodophenyl) thiono (phosphonic acid esters and ester amides
O-alkyl-s-alkyl-o-(substituted phenyl)thiolphosphates
O-Aryl-alkoxyethyl-thiolphosphoric acid ester
O-Ethyl-O-(3-methyl-6-nitrophenyl)-n-secondary butyl-phosphoroth