label: (2R,3R,4S,5R)-2-(6-amino-2-(((1S)-2-hydroxy-1-(phenylmethyl)ethyl)amino)-9H-purin-9-yl)-5-(2-ethyl-2H-tetrazol-5-yl)tetrahydro-3,4-furandiol
label_lc: (2r,3r,4s,5r)-2-(6-amino-2-(((1s)-2-hydroxy-1-(phenylmethyl)ethyl)amino)-9h-purin-9-yl)-5-(2-ethyl-2h-tetrazol-5-yl)tetrahydro-3,4-furandiol