5-[(4-amino-3,5-dimethylphenyl)methyl]pyrimidine-2,4-diamine 5-[(4-amino-3,5-dimethyl-phenyl)methyl]pyrimidine-2,4-diamine [4-[(2,4-diaminopyrimidin-5-yl)methyl]-2,6-dimethyl-phenyl]amine