376348-65-1 AIDS-104834 AIDS104834 Maraviroc UK-427,857 UK-427857 exo-4,4-Difluoro-N-[3-[3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]oct-8-yl]-1(S)-phenylpropyl]cyclohexanecarboxamide