5-{(2S)-2-[N-(tert-Butyl)carbamoyl]-4-(thiopheno[3,2-d]thiophen-2-ylmethyl)piperazinyl}(4S,2R)-N-((1S,2R)-2-hydroxyindanyl)-4-hydroxy-2-(3-pyridylmethyl)pentanamide AIDS-059364 AIDS059364 L-748,496