3-methyl-1-pyridin-2-ylpyrazolo[3,4-d]pyrimidin-4-amine

4-methyl-6-phenyltriazine

2-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine

N-(2-methylprop-1-enyl)formamide

1,3-diphenylpyrazolo[3,4-d]pyrimidine