13-(N-{2-[(4S,2R,3R,5R,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)(2H-3,4,5,6-tetrahydropyran-2-yloxy)]-1-[N-(2-hydroxyethyl)carbamoyl]ethyl}carbamoyl)tridecanoic acid AIDS-109091 AIDS109091