1	IM5	2-amino-7-{[(3r,4r)-3-hydroxy-4-(hydroxymethyl)pyrrolidin-1-yl]methyl}-3,5-dihydro-4h-pyrrolo[3,2-D]pyrimidin-4-one	1.000
2	DIH	7-[[(3r,4r)-3-(hydroxymethyl)-4-oxidanyl-pyrrolidin-1-ium-1-yl]methyl]-3,5-dihydropyrrolo[3,2-D]pyrimidin-4-one	0.950
3	223	(3r,4r)-1-[(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)methyl]-4-(hydroxymethyl)pyrrolidin-3-ol	0.857
4	4F0	(3s,4r)-1-[(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)methyl]-4-[(methylsulfanyl)methyl]pyrrolidin-3-ol	0.739
5	C1Y	(3r,4s)-1-[(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)methyl]-4-propylpyrrolidin-3-ol	0.739
6	JMQ	7-(((2r,3r,4s)-3,4-dihydroxy-2-(hydroxymethyl)pyrrolidin-1-yl)methyl)-3h-pyrrolo[3,2-D]pyrimidin-4(5h)-one	0.739
7	TDI	(3r,4s)-1-[(4-amino-5h-pyrrolo[3,2-D]pyrimidin-7-yl)methyl]-4-[(methylsulfanyl)methyl]pyrrolidin-3-ol	0.739