1	PE0	Pterine	1.000
2	44V	(6s)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one	0.923
3	44W	2-amino-6-methyl-7,8-dihydropteridin-4(3h)-one	0.923
4	7PD	2-aminopteridine-4,7(3h,8h)-dione	0.923
5	B60	2-amino-8-methyl-7,8-dihydropteridin-4(3h)-one	0.923
6	B62	(6r)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one	0.923
7	JSO	2-azanyl-6-methyl-3~{H}-pteridin-4-one	0.923
8	XHP	2-amino-6-methylidene-6,7-dihydropteridin-4(3h)-one	0.923
9	XTN	2-amino-1,5-dihydropteridine-4,6-dione	0.923
10	6FP	2-amino-4-oxo-3,4-dihydropteridine-6-carbaldehyde	0.857
11	HHR	6-hydroxymethylpterin	0.857
12	PH2	2-amino-6-hydroxymethyl-7,8-dihydro-3h-pteridin-4-one	0.857
13	ZZZ	6-formyltetrahydropterin	0.857
14	LUZ	Pteridine-2,4(1h,3h)-dione	0.846
15	T0A	5-deazatetrahydropterin	0.846
16	2K8	(6r)-2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridine-6-carboxylic acid	0.800
17	HHS	6-carboxypterin	0.800
18	JP2	2-amino-4-oxo-1,4-dihydropteridine-7-carboxylic acid	0.800
19	OV9	2-azanyl-4-oxidanylidene-3~{H}-pteridine-7-carboxylic acid	0.800
20	ROI	7,8-dihydro-7,7-dimethyl-6-hydroxypterin	0.800
21	7DG	7-deazaguanine	0.769
22	9DG	9-deazaguanine	0.769
23	AZG	5-amino-1h-[1,2,3]triazolo[4,5-D]pyrimidin-7-ol	0.769
24	GUN	Guanine	0.769
25	QY8	2-amino-3h,4h,7h-pyrrolo[2,3-D]pyrimidin-4-one	0.769
26	AP4	7-amino-3,3a,4,5-tetrahydro-8h-2-oxa-5,6,8,9b-tetraaza-cyclopenta[a]naphthalene-1,9-dione	0.750
27	B56	2-amino-8-methyl-4-oxo-3,4,7,8-tetrahydropteridine-6-carboxylic acid	0.750
28	7WP	2,4-diaminopteridine-6-carbaldehyde	0.733
29	KD8	6,7-dimethyl-2-sulfanylidene-1~{H}-pteridin-4-one	0.733
30	29H	2-aminopyrimido[4,5-D]pyrimidin-4(3h)-one	0.714
31	8IG	8-iodo-guanine	0.714
32	9MG	9-methylguanine	0.714
33	ANG	8-aminoguanine	0.714
34	AZ8	Pyrimido[5,4-E][1,2,4]triazine-5,7(6h,8h)-dione	0.714
35	B55	2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one	0.714
36	BRG	8-bromoguanine	0.714
37	FDB	2-amino-5-methyl-3h-pyrrolo[2,3-D]pyrimidin-4(7h)-one	0.714
38	MOG	5-amino-2-methyl-6h-oxazolo[5,4-D]pyrimidin-7-one	0.714
39	MY6	2-amino-7-methyl-1,7-dihydro-6h-purin-6-one	0.714
40	OXG	8-oxoguanine	0.714
41	QBK	5-azanyl-[1,3]thiazolo[5,4-D]pyrimidine-2,7-dione	0.714
42	BHS	6s-5,6,7,8-tetrahydrobiopterin	0.706
43	BIO	Biopterin	0.706
44	H2B	2-amino-6-(1,2-dihydroxy-propyl)-7,8-dihydro-6h-pteridin-4-one	0.706
45	H4B	5,6,7,8-tetrahydrobiopterin	0.706
46	HBI	7,8-dihydrobiopterin	0.706
47	WS7	(9as)-2-amino-9a-methyl-6,7,8,9,9a,10-hexahydrobenzo[G]pteridin-4(3h)-one	0.706
48	WSD	6-acetyl-2-amino-7,7-dimethyl-7,8-dihydropteridin-4(3h)-one	0.706
49	ZSP	2-amino-6-[(1z)-1,2-dihydroxyprop-1-en-1-yl]-7,8-dihydropteridin-4(3h)-one	0.706