1	ADE	Adenine	1.000
2	3MA	6-amino-3-methylpurine	0.909
3	6AP	9h-purine-2,6-diamine	0.909
4	A2F	2-fluoroadenine	0.909
5	ADK	3-methyl-3h-purin-6-ylamine	0.909
6	ADZ	9-methyl-9h-purin-6-amine	0.909
7	IGA	6-amino-3,7-dihydro-2h-purin-2-one	0.909
8	KB5	6-azanyl-9~{H}-purine-8-thiol	0.909
9	M1A	6-amino-1-methylpurine	0.909
10	Q88	9h-purine-6,8-diamine	0.909
11	YH7	6-amino-1,9-dihydro-2h-purine-2-thione	0.909
12	2EC	9-ethyl-9h-purin-6-ylamine	0.833
13	39A	6-amino-3,9-dimethyl-9h-purin-3-ium	0.833
14	8WT	8-methylsulfanyl-7~{H}-purin-6-amine	0.833
15	W5M	9-methyl-9h-purine-2,6-diamine	0.833
16	2BP	9h-purin-2-amine	0.818
17	6MP	6-methylpurine	0.818
18	9DA	9-deazaadenine	0.818
19	BP1	6-bromo-7h-purine	0.818
20	PM6	9h-purine-6-thiol	0.818
21	JXN	8-bromanyl-9-ethyl-purin-6-amine	0.769
22	JY8	9-ethyl-8-methyl-purin-6-amine	0.769
23	06K	2,6-bis(chloranyl)-7h-purine	0.750
24	290	6-methyl-3,9-dihydro-2h-purin-2-one	0.750
25	2ON	2-sulfanyl-1,9-dihydro-6h-purin-6-one	0.750
26	54K	7-methyl-3h-imidazo[4,5-C]pyridin-4-amine	0.750
27	6GU	6-chloroguanine	0.750
28	8G8	2-chloranyl-9-methyl-purine	0.750
29	BCP	2-bromo-6-chloro-purine	0.750
30	BOA	2-bromo-6-hydroxy-purine	0.750
31	CFP	6-chloro-2-fluoropurine	0.750
32	DX4	2-amino-1,9-dihydro-6h-purine-6-thione	0.750
33	GUN	Guanine	0.750
34	HH5	6-iodanyl-7~{H}-purin-2-amine	0.750
35	N6M	N-methyl-9h-purin-6-amine	0.750
36	P4Q	Pyrido[3,2-D]pyrimidin-4-amine	0.750
37	SZL	6-methoxy-9h-purine	0.750
38	W4S	7-methyl-7h-pyrrolo[2,3-D]pyrimidin-4-amine	0.750
39	XAN	Xanthine	0.750
40	XQG	6-methylsulfanyl-9h-purine	0.750
41	WOY	6,7-dihydro-5h-pyrrolo[2,3-D]pyrimidine	0.727
42	APS	9-hydroxypropyladenine, S-isomer	0.714
43	ARP	9-hydroxypropyladenine, R-isomer	0.714
44	GO8	8-propan-2-ylsulfanyl-7~{H}-purin-6-amine	0.714
45	JXW	9-(2-chloroethyl)-8-methyl-purin-6-amine	0.714
46	JXZ	2-(6-azanyl-8-methyl-purin-9-yl)ethanol	0.714
47	JYB	9-ethyl-8-ethynyl-purin-6-amine	0.714