1	93B	1,3-diazinane-2-thione	1.000
2	TUL	2-thioxo-2,3-dihydropyrimidin-4(1h)-one	0.875
3	P1R	Pyrimidine	0.857
4	71O	Pyrimidin-2-ol	0.750
5	HGW	5-iodanylpyrimidine	0.750
6	HHN	5-bromanylpyrimidine	0.750
7	L60	1,3-diazinan-2-one	0.750
8	LGA	Pyrimidin-2-amine	0.750
9	PYS	2-pyridinethiol	0.750
10	T5V	Pyrimidin-5-amine	0.750
11	W3J	1,4,5,6-tetrahydropyrimidin-2-amine	0.750
12	HX5	4,6-dichloro-2-(methylsulfanyl)pyrimidine	0.700
13	K8C	2-methylsulfanylpyrimidine-4-carbaldehyde	0.700