7-iodo-5-methoxy-3-phenyl-3H-1,2,3-triazolo[4,5-d]pyrimidine

5,7-dichloro-3-phenyltriazolo[4,5-d]pyrimidine

5-chloro-3-phenyltriazolo[4,5-d]pyrimidin-7-amine

7-amino-5-methoxy-3-phenyl-3H-1,2,3-triazolo(4,5-d)pyrimidine

2-chloro-4-phenylamino-5-aminopyrimidine