2,4-Pyrimidinediamine, N2,N2-dimethyl- (9CI)

4(1H)-Pyrimidinone, 6-hydroxy-2,5-dimethyl- (9CI)

5-Acetyl-d3-amino-6-formylamino-3-methyluracil (also see A168213)

8-chloro-1,7-naphthyridin-4(1H)-one

N²-isobutyryl-O⁶-diphenylcarbamoyl-3'-O-azidomethyl-2'-deoxyguanosine

5-Pyrimidinecarbonitrile, 4,6-diamino- (9CI)

5-Pyrimidinecarboxaldehyde, 4,6-diamino- (9CI)

Pyrimidine, 5-(chloromethyl)- (9CI)