5'-O-[(R)-hydroxy({(S)-hydroxy[2-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-2-benzofuran-5-yl)ethoxy]phosphoryl}methyl)phosphoryl]adenosine
5'-o-[(r)-hydroxy({(s)-hydroxy[2-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-2-benzofuran-5-yl)ethoxy]phosphoryl}methyl)phosphoryl]adenosine