
2,4,6-triaminopyrimidine
2,6-diaminopurine
2,6-dichloropurine
2,6-dimercaptopurine
2-amino-4,6-dihydroxypyrimidine
2-amino-4-hydroxypyrimidine
2-Aminopyrimidine
2-bromopyrimidine
2-chloropyrimidine
2-mercaptopyrimidine
2-methyl-4,6-dihydroxypyrimidine
2-methylpyrimidine