(2S,3S,4R,5R)-5-[6-amino-2-[(3S)-3-hydroxy-3-phenylprop-1-ynyl]purin-9-yl]-N-ethyl-3,4-dihydroxyoxolane-2-carboxamide (2S,3S,4R,5R)-5-[6-amino-2-[(3S)-3-hydroxy-3-phenyl-prop-1-ynyl]purin-9-yl]-N-ethyl-3,4-dihydroxy-tetrahydrofuran-2-carboxamide (2S,3S,4R,5R)-5-[6-amino-2-[(3S)-3-hydroxy-3-phenylprop-1-ynyl]-9-purinyl]-N-ethyl-3,4-dihydroxy-2-tetrahydrofurancarboxamide (2S,3S,4R,5R)-5-[6-amino-2-[(3S)-3-hydroxy-3-phenyl-prop-1-ynyl]purin-9-yl]-N-ethyl-3,4-dihydroxy-oxolane-2-carboxamide PDSP2_001048 PDSP1_001064 PDSP2_000960 PDSP1_000976