1	6SY	Uridine-3',5'-cyclic monophosphate	1.000
2	CC7	4-amino-1-[(2s,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxidotetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]pyrimidin-2(1h)-one	0.905
3	6SW	Inosine-3',5'-cyclic monophosphate	0.750
4	JKM	1-[(2s,3as,4s,6r,6ar)-2-hydroxy-6-(hydroxymethyl)-2-oxidotetrahydrofuro[3,4-D][1,3,2]dioxaphosphol-4-yl]pyrimidine-2,4( 1h,3h)-dione	0.739
5	35G	Guanosine-3',5'-monophosphate	0.720
6	PCG	Cyclic guanosine monophosphate	0.720
7	6SX	Purine riboside-3',5'-cyclic monophosphate	0.708