1	8GF	2-methylpyrimidin-4-amine	1.000
2	ICP	2-methyl-5-methylene-5h-pyrimidin-4-ylideneamine	0.889
3	PYD	2,5-dimethyl-pyrimidin-4-ylamine	0.889
4	A1CFY	2-propylpyrimidin-4-amine	0.800
5	HMH	4-amino-5-hydroxymethyl-2-methylpyrimidine	0.800
6	NSP	5-(aminomethyl)-2-methylpyrimidin-4-amine	0.800
7	71M	6-methylpyridin-2-amine	0.778
8	CYT	6-aminopyrimidin-2(1h)-one	0.778
9	LG3	Pyrimidine-2,4-diamine	0.778
10	TI5	5-methylpyrimidin-4-amine	0.778
11	USD	(E)-1-(pyrimidin-2-yl)methanimine	0.778
12	P1R	Pyrimidine	0.750
13	17E	5-methylcytosine	0.700
14	1LD	5-fluorocytosine	0.700
15	1MC	1-methylcytosine	0.700
16	2ZX	6-chloropyrimidine-2,4-diamine	0.700
17	3AW	6-methyl-1,3,5-triazine-2,4-diamine	0.700
18	3AY	Pyrimidine-2,4,6-triamine	0.700
19	3MC	3-methylcytosine	0.700
20	4JO	5-bromo-6-methylpyridin-2-amine	0.700
21	6UA	6-aminopyrimidine-2,4(3h,5h)-dione	0.700
22	71L	4,6-dimethylpyridin-2-amine	0.700
23	PBV	6-ethylpyridin-2-amine	0.700
24	Q4H	4-azanylpyrimidine-5-carbonitrile	0.700