2H-Tetrazole-2-ethanol, 5-[2-[4-(2,4-dichlorophenyl)-1-piperazinyl]ethyl]-a-(2,4-difluorophenyl)-b-methyl-a-(1H-1,2,4-triazol-1-ylmethyl)-, (aR,bS)- AIDS-196081 AIDS196081