



3-Hydroxy-4-methoxybenzonitrile

4-chloro-7H-pyrrolo[2,3-d]pyrimidine

2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine

6-bromo-2,4-dichloroquinazoline

2,4-dichloropyrido[2,3-d]pyrimidine

2-chloropyrido[2,3-d]pyrimidin-4(1H)-one
