2-(PhSMeO)PhCO-Cha.psi.[CH(OH)CH(OH)]Val-Ile-Ambi 2-[[[N-[5(S)-[[2-Thiophenoxymethoxy)benzoyl]amino]-6-cyclohexyl-3(R),4(R)-dihydroxy-2(R)-isopropylhexanoyl]-L-isoleucyl]amino]methyl]benzimidazole AIDS-042846 AIDS042846