4-(5-[N-((2R)-1-Carboxy-2-vinylcyclopropyl)carbamoyl]-1-{(2S)-2-[(tert-butoxy)carbonylamino]-3,3-dimethylbutanoyl}(5S,3R)pyrrolidin-3-yloxy)-7-methoxyquinoline-2-carboxylic acid AIDS-162170 AIDS162170