. "2-Amino-4-{(2S,3S,4R,5R)-5-[6-(2-biphenyl-4-yl-ethylamino)-2-chloro-purin-9-yl]-3,4-dihydroxy-tetrahydro-furan-2-ylmethylsulfanyl}-butyric acid" . "36" . . . . .