1 MTM (3s,4r)-2-(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)-5-[(methylsulfanyl)methyl]pyrrolidine-3,4-diol 1.000 2 7A6 (2s,3s,4r,5s)-2-(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)-5-[(propylsulfanyl)methyl]pyrrolidine-3,4-diol 0.909 3 MTI 3,4-dihydroxy-2-[(methylsulfanyl)methyl]-5-(4-oxo-4,5-dihydro-3h-pyrrolo[3,2-D]pyrimidin-7-yl)pyrrolidinium 0.905 4 UA2 3,4-pyrrolidinediol,2-(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)-5-(hydroxymethyl)-2s,3s,4r,5r 0.857 5 IMH 1,4-dideoxy-4-aza-1-(S)-(9-deazahypoxanthin-9-yl)-D-ribitol 0.773 6 IMG 1,4-dideoxy-1,4-imino-1-(S)-(9-deazaguanin-9-yl)-D-ribitol 0.739