O [(O-piperazinocarbonyl-phenyl)-thio]-benzoates
O,O-Diethyl-2-(5-ethyl-6-bromothiazolo[3,2-b]-s-triazolyl)thiono
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- and O-alkyl-S-alkoxyalkyl-S-1,2,4-oxa-diazolyl-3-me
O-(3-hydroxy-1-isoquinolinyl)-benzoic acid
O-(4-Quinolylamino)benzamides
O-(carboxymethyl)-4-chromanone oxime
O-Acetoxy benzoate ester of 2(p-acetamido-phenyloxy)ethyl alcoho
O-acyl derivatives of antibiotic EM-49
O-acyl-7-acylaminocephalosporadesic acids
O-Acylation using organothallium compounds
O-alkyl-O-[5- methyl-7-halo-benzisoxazol (3)yl]-thiono-(thiol)-p
O-Alkyl-S-alkyl-O-[2-substituted-pyrimidin(4)yl]thionothiolphosp
O-Alkyl-S-alkyl-O-[6-alkyl- or 6-halo-pyridazin-(3)-yl]-(thiono)
O-alkyl-S-[1,6-dihydro-3-methyl-6-oxo-pyridazin-(1)-ylmethyl](th
O-alkylsulfonylglycolic anilides
O-aminoalkyl oximes