1	LG3	Pyrimidine-2,4-diamine	1.000
2	2ZX	6-chloropyrimidine-2,4-diamine	0.889
3	3AY	Pyrimidine-2,4,6-triamine	0.889
4	LGA	Pyrimidin-2-amine	0.875
5	W3J	1,4,5,6-tetrahydropyrimidin-2-amine	0.875
6	0FU	2,5,6-triaminopyrimidin-4-ol	0.800
7	26D	Pyridine-2,6-diamine	0.778
8	8GF	2-methylpyrimidin-4-amine	0.778
9	CYT	6-aminopyrimidin-2(1h)-one	0.778
10	DS1	2-aminopyrimidin-5-ol	0.778
11	TI5	5-methylpyrimidin-4-amine	0.778
12	ZZS	1,3,5-triazine-2,4-diamine	0.778
13	P1R	Pyrimidine	0.750
14	6AP	9h-purine-2,6-diamine	0.727
15	B53	2,6-diamino-5-nitrosopyrimidin-4(3h)-one	0.727
16	WEI	Thieno[2,3-D]pyrimidine-2,4-diamine	0.727
17	17E	5-methylcytosine	0.700
18	1LD	5-fluorocytosine	0.700
19	1MC	1-methylcytosine	0.700
20	3AW	6-methyl-1,3,5-triazine-2,4-diamine	0.700
21	3MC	3-methylcytosine	0.700
22	5ZE	4,6-dimethylpyrimidin-2-amine	0.700
23	6AM	4,6-diamino-1,3,5-triazin-2-ol	0.700
24	6UA	6-aminopyrimidine-2,4(3h,5h)-dione	0.700
25	AX2	1,3,5-triazine-2,4,6-triamine	0.700
26	DU7	4-chloro-6-methylpyrimidin-2-amine	0.700
27	ICP	2-methyl-5-methylene-5h-pyrimidin-4-ylideneamine	0.700
28	PYD	2,5-dimethyl-pyrimidin-4-ylamine	0.700
29	Q4H	4-azanylpyrimidine-5-carbonitrile	0.700