1	T0A	5-deazatetrahydropterin	1.000
2	29H	2-aminopyrimido[4,5-D]pyrimidin-4(3h)-one	0.846
3	AQO	2-aminoquinazolin-4(3h)-one	0.846
4	PE0	Pterine	0.846
5	44V	(6s)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one	0.786
6	44W	2-amino-6-methyl-7,8-dihydropteridin-4(3h)-one	0.786
7	7PD	2-aminopteridine-4,7(3h,8h)-dione	0.786
8	B60	2-amino-8-methyl-7,8-dihydropteridin-4(3h)-one	0.786
9	B62	(6r)-2-amino-6-methyl-5,6,7,8-tetrahydropteridin-4(3h)-one	0.786
10	DQU	2,6-diamino-3h-quinazolin-4-one	0.786
11	JSO	2-azanyl-6-methyl-3~{H}-pteridin-4-one	0.786
12	MAQ	2-amino-8-methylquinazolin-4(3h)-one	0.786
13	XHP	2-amino-6-methylidene-6,7-dihydropteridin-4(3h)-one	0.786
14	XTN	2-amino-1,5-dihydropteridine-4,6-dione	0.786
15	7DG	7-deazaguanine	0.769
16	GUN	Guanine	0.769
17	JBH	3,4-dihydroquinazolin-4-ol	0.769
18	JPZ	Quinazolin-4(1h)-one	0.769
19	QY8	2-amino-3h,4h,7h-pyrrolo[2,3-D]pyrimidin-4-one	0.769
20	WQG	Quinazolin-4(3h)-one	0.769
21	6FP	2-amino-4-oxo-3,4-dihydropteridine-6-carbaldehyde	0.733
22	HHR	6-hydroxymethylpterin	0.733
23	PH2	2-amino-6-hydroxymethyl-7,8-dihydro-3h-pteridin-4-one	0.733
24	ZZZ	6-formyltetrahydropterin	0.733
25	29G	Pyrimido[4,5-D]pyrimidine-2,4-diamine	0.714
26	3WA	4-aminopyrido[2,3-D]pyrimidin-5(8h)-one	0.714
27	8IG	8-iodo-guanine	0.714
28	9MG	9-methylguanine	0.714
29	ANG	8-aminoguanine	0.714
30	B55	2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one	0.714
31	BRG	8-bromoguanine	0.714
32	D1V	2-mercapto(3h)quinazolinone	0.714
33	FDB	2-amino-5-methyl-3h-pyrrolo[2,3-D]pyrimidin-4(7h)-one	0.714
34	JBQ	5-fluoranyl-3,4-dihydroquinazolin-4-ol	0.714
35	L3N	1~{H}-quinazoline-2,4-dione	0.714
36	LUZ	Pteridine-2,4(1h,3h)-dione	0.714
37	M1Q	5,6,7,8-tetrahydro-4~{a}~{H}-quinazoline-2,4-dione	0.714
38	MEW	2-methylquinazolin-4(3h)-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	PWA	7-fluoroquinazolin-4(3h)-one	0.714
42	PWM	5-fluoroquinazolin-4(3h)-one	0.714
43	PWP	6-fluoroquinazolin-4(3h)-one	0.714
44	Q24	Quinazoline-2,4-diamine	0.714
45	ZV5	(5r)-1,3,7-triazaspiro[4.5]decane-2,4-dione	0.714