4-Amino-1-(5-O-(1，3，4，5，5-pentahydroxy-4-methyl-1，3，5-trioxido-2-oxa-1，3，5-triphosphapent-1-yl)-beta-D-arabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(5-O-(1，3，4，5，5-pentahydroxy-4-methyl-1，3，5-trioxido-2-oxa-1，3，5-triphosphapent-1-yl)-beta-D-arabinofuranosyl)-2(1H)-pyrimidinone 98%