1-[(2S,3S)-2-Hydroxy-3-({(2S)-4-(methylsulfonyl)-2-[(3-phenylpropanoyl)amino]butanoyl}amino)-4-phenylbutanoyl]prolyl-L-alloisoleucyl-L-valinamide AIDS-163670 AIDS163670 PhCH2CH2CO-Met(O)2-(2S, 3S)-AHPBA-Pro-Ile-Val-NH2