1	YRR	3-hydroxy-pyrrolidin-2-ylmethyl-monophosphate group	1.000
2	3DR	1',2'-dideoxyribofuranose-5'-phosphate	0.846
3	DN	Unknown 2'-deoxynucleotide	0.846
4	63T	[(2r,3s)-3-hydroxy-5-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate (non-preferred name)	0.786
5	AAB	2'-deoxy-ribofuranose-5'-monophosphate	0.786
6	ASU	4'-thio-2'4'-dideoxyribofuranose-5'-phosphate	0.786
7	DXD	(1s,3s,4r)-4-(phosphooxymethyl)-cyclopentane-1,3-diol	0.786
8	ORP	2-deoxy-5-phosphono-ribose	0.786
9	50A	2-deoxy-2-fluoro-5-O-phosphono-alpha-D-ribofuranose	0.733
10	ABF	5-O-phosphono-beta-D-arabinofuranose	0.733
11	GRF	5-O-phosphono-beta-D-ribofuranosylamine	0.733
12	HSX	5-O-phosphono-alpha-D-ribofuranose	0.733
13	RF5	2-deoxy-2-fluoro-5-O-phosphono-alpha-D-arabinofuranose	0.733
14	RP5	5-O-phosphono-beta-D-ribofuranose	0.733
15	X4A	[(2r,3s,5s)-2,3,5-trihydroxytetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.733
16	1X4	2,3-dideoxy-5-O-phosphono-alpha-D-ribofuranose	0.714
17	DDX	2',3'-dehydro-2',3'-dideoxyribofuranose-5'-phosphate	0.714
18	DV3	1,4-anhydro-2-deoxy-5-O-thiophosphono-D-erythro-pentitol	0.714
19	HCX	(south) bicyclo[3.1.0]hexane	0.714
20	NR1	(3r,4r)-3-hydroxy-4-[(phosphonooxy)methyl]pyrrolidinium	0.714
21	NRI	Phosphoric acid mono-(4-hydroxy-pyrrolidin-3-ylmethyl) ester	0.714
22	WZT	(phenylmethyl) dihydrogen phosphate	0.714