1-[4-[2-(1-Methyl-1-phenyl-ethyl)-2H-tetrazol-5-yl]-phenyl]-4(S)-hydroxy-2-N-(N-methoxycarbonyl-(L)-tert-leucyl)amino]-5(S)-N-(N-methoxycarbonyl-(L)-iso-leucyl)amino-6-phenyl-2-azahexane 198904-17-5 AIDS-057743 AIDS057743 Heterocyclic Azahexane deriv.