5-Chloropyridine-3,4-diamine929074-42-031 % similar 2-Methylpyrimidin-5-amine39889-94-631 % similar 2-Methyl-6-(trifluoromethyl)pyridin-3-amine383907-17-331 % similar 2,4-Dimethylpyridin-3-amine1073-21-830 % similar 4,5-Diaminopyrimidine13754-19-330 % similar 4-Isoquinolinamine23687-25-430 % similar 2,3,5-Trimethylpyrazine14667-55-130 % similar 4-Methylpyrimidine3438-46-830 % similar