Compound Name	CAS No	Structure
2,4-dichloropyrimidine	3934-20-1
6-amino-2-mercaptopyrimidin-4(3H)-one	1004-40-6
2,6-diaminopyrimidin-4(3H)-one	56-06-4
2,6-diamino-5-nitropyrimidin-4(3H)-one	3346-23-4
6-chloro-N-methylpyrimidin-4-amine	65766-32-7
2-chloro-4-methoxypyrimidine	22536-63-6
5 -Nitro-pyrimidine-4,6-diol	2164-83-2
4,6-dichloro-5-nitro-pyrimidine	4316-93-2
4-(2-chloropyrimidin-4-ylamino)benzonitrile
1-methyl-5-nitropyrimidine-2,4(1H,3H)-dione
7H-pyrrolo[2,3-d] pyrimidin-4-ol	3680-71-5
4-chloro-7H-pyrrolo[2,3-d] pyrimidine	3680-69-1