({[(2R,3S,4R,5R)-5-[2-Chloro-6-(cyclopentylamino)-9H-purin-9-yl]-3,4-dihydroxyoxolan-2-yl]methoxy}methyl)phosphonic acid

({[(2R,3S,4R,5R)-5-[2-Chloro-6-(cyclopentylamino)-9H-purin-9-yl]-3,4-dihydroxyoxolan-2-yl]methoxy}methyl)phosphonic acid · CAS 2216763-68-5