2-(hydroxymethyl)-5-[6-(1-phenylpropan-2-ylamino)purin-9-yl]oxolane-3,4-diol 2-(hydroxymethyl)-5-[6-[(1-methyl-2-phenyl-ethyl)amino]purin-9-yl]tetrahydrofuran-3,4-diol 2-(hydroxymethyl)-5-[6-[(1-methyl-2-phenylethyl)amino]-9-purinyl]tetrahydrofuran-3,4-diol 2-methylol-5-[6-[(1-methyl-2-phenyl-ethyl)amino]purin-9-yl]tetrahydrofuran-3,4-diol P4532_SIGMA R-(−)-PIA (−)-N6-(2-Phenylisopropyl)adenosine (R)-N6-(1-Methyl-2-phenylethyl)adenosine N6-(L-2-Phenylisopropyl)adenosine