(1S,4S,5R-)-9-[4,5-Bis(hydroxymethyl)cyclohex-2-en-1-yl]-9H-guanine (R)-2-Amino-9-((4S,5R)-4,5-bis-hydroxymethyl-cyclohex-2-enyl)-1,9-dihydro-purin-6-one AIDS-081373 AIDS081373