1	0FU	2,5,6-triaminopyrimidin-4-ol	1.000
2	DDP	2,4-diamino-4,6-dihydroxypyrimidine	0.818
3	URN	5,6-diaminopyrimidine-2,4(1h,3h)-dione	0.818
4	LG3	Pyrimidine-2,4-diamine	0.800
5	B53	2,6-diamino-5-nitrosopyrimidin-4(3h)-one	0.750
6	2ZX	6-chloropyrimidine-2,4-diamine	0.727
7	3AY	Pyrimidine-2,4,6-triamine	0.727
8	6AM	4,6-diamino-1,3,5-triazin-2-ol	0.727
9	6UA	6-aminopyrimidine-2,4(3h,5h)-dione	0.727
10	WBU	5-amino-1h-pyrimidine-2,4-dione	0.727
11	LGA	Pyrimidin-2-amine	0.700
12	T5V	Pyrimidin-5-amine	0.700
13	W3J	1,4,5,6-tetrahydropyrimidin-2-amine	0.700