IUPAC:[(2R)-2-{[(2R,3S,4R,5R)-5-[6-chloro-4-(cyclopentylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-3,4-dihydroxyoxolan-2-yl]methoxy}-1-hydroxy-3-methoxypropan-2-yl]phosphonic acid
IUPAC:[(2R)-2-{[(2R,3S,4R,5R)-5-[6-chloro-4-(cyclopentylamino)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-3,4-dihydroxyoxolan-2-yl]methoxy}-1-hydroxy-3-methoxypropan-2-yl]phosphonic acid