Fourtriazoleenantiomersofdiclobutrazol(erythroform)(1),paclobutrazol(erythroform)(2),diniconazole(3)anduniconazole(4)havebeenseparatedbyhighperformanceliquidchro-matography(HPLC)onchiralstationaryphase(CSP)OA-4700.Chromatographicdataandachiralrecongnitionmodelarepresentedfortheseparationofthesepesticideenantiomers.Theinfluenceofcolumntemperatureandcompositionofmobilephasehavebeendescribed.