1	6SW	Inosine-3',5'-cyclic monophosphate	1.000
2	35G	Guanosine-3',5'-monophosphate	0.957
3	PCG	Cyclic guanosine monophosphate	0.957
4	6SX	Purine riboside-3',5'-cyclic monophosphate	0.955
5	6J7	2-amino-8-bromo-9-[(2r,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-1,9-dihydro-6h-purin-6-one	0.917
6	6SZ	2-aminopurine riboside-3',5'-cyclic monophosphate	0.913
7	CMP	Adenosine-3',5'-cyclic-monophosphate	0.913
8	6ZA	2-amino-9-[(2r,4ar,6r,7r,7as)-2,7-dihydroxy-2-sulfanylidenetetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-3,9-dihydro-6h-purin-6-one	0.875
9	7CH	(2s,4ar,6r,7r,7as)-6-(4-amino-7h-pyrrolo[2,3-D]pyrimidin-7-yl)tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-oxide	0.833
10	RP1	6-(6-amino-purin-9-yl)-2-thioxo-tetrahydro-2-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol	0.833
11	SP1	6-(6-amino-purin-9-yl)-2-thioxo-tetrahydro-2-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol	0.833
12	75G	(2s,4ar,6r,7r,7as)-6-(6-amino-2-chloro-9h-purin-9-yl)-7-hydroxy-2-sulfanyltetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-2-one	0.800
13	RP2	(2r,4ar,6r,7r,7as)-6-(6-amino-8-bromo-9h-purin-9-yl)tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-sulfide	0.800
14	6SY	Uridine-3',5'-cyclic monophosphate	0.750
15	8CS	(2r,4ar,5ar,11ar,12as)-8-amino-2-hydroxy-4a,5a,9,11,11a,12a-hexahydro[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-G]pteridine-10,12(4h,6h)-dione 2-oxide	0.731
16	9K9	2-amino-9-[(2s,3ar,4r,6r,6ar)-2-hydroxy-6-(hydroxymethyl)-2-oxotetrahydro-2h-2lambda~5~-furo[3,4-D][1,3,2]dioxaphosphol-4-yl]-3,9-dihydro-6h-purin-6-one	0.731
17	1OR	(2r,4ar,6r,7r,7as)-6-[6-(dipropylamino)-9h-purin-9-yl]tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-oxide	0.724
18	6FW	2-amino-8-[(4-chlorophenyl)sulfanyl]-9-[(2s,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-3,9-dihydro-6h-purin-6-one	0.710
19	6JR	3-[(2s,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-6-phenyl-3,4-dihydro-9h-imidazo[1,2-a]purin-9-one	0.710
20	WNU	2-(~2~h_2_)amino-8-[(4-chlorophenyl)sulfanyl]-9-[(2s,4ar,6r,7r,7as)-2-hydroxy-7-(~2~H)hydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl](~2~H)-1,9-dihydro-6h-purin-6-one	0.710