(2S)-2-[(5-Benzofuran-2-yl-thiophen-2-ylmethyl)-(2,4-dichlorobenzoyl)-amino]-3-phenyl-propionic acid AIDS-167796 AIDS167796 L-Phenylalanine, N-[[5-(2-benzofuranyl)-2-thienyl]methyl]-N-(2,4-dichlorobenzoyl)-