O-Aroylvinyl benzoyl chlorides
O-Aryl-alkoxyethyl-thiolphosphoric acid ester
O-Derivatives of thienamycin
O-Ethyl-O-(3-methyl-6-nitrophenyl)-n-secondary butyl-phosphoroth
O-ethyl-S-(n)-propyl-s-carbamoylalkyl dithiophosphates
O-ethyl-S-(n)propyl-S-diallylcarbmoylmethyldithiophosphate
O-ethyl-S-(propyl, butyl or propargyl)-S-[2,6-dichloropicolyl-(3
O-ethyl-S-n-butyl-O-(2- or 3-nitrophenyl) phosphorothiolates
O-ethyl-S-n-propyl-O-(2-bromo-4-cyanophenyl)-thionothiol-phospho
O-ethyl-S-N-propyl-O-(substituted pheny)-phosphorothiolates
O-ethyl-S-n-propyl-O-[pyridaz-(6)-on-(3)-yl]-thionothiolphosphor
O-Ethyl-s-propyl derivatives of 1,3-dithiolan-4-yl phosphorodith
O-ethyl-S-propyl-dithiophosphoric acid phenyl or naphthyl esters
O-ethyl-S-propyl-S-benzyl-phosphorodithiolates
O-methyl/ethyl-s-propyl/butyl-o-phenyl thiophosphates and dithio
O-methyl/ethyl-s-propyl/butyl-o-phenyl thiophosphates and dithio
O-methyl/ethyl-S-propyl/butyl-O-phenyl thiphosphates and dithiop
O-pyrazolopyrimidine-(thiono)-phosphoric(phosphonic) acid esters
O-Substituted N-hydroxysulfamid acid halides and their preparati
O-sulfated .beta.-lactam hydroxamic acids and intermediates