The molecule is an aminopyrimidine in which the pyrimidine ring carries amino substituents at C-2 and C-4 and a 3,4-dimethoxybenzyl group at C-5. A folic acid antagonist, it is used as a synergist with sulfonamides against the parasitic Eimeria species. It has a role as an antiparasitic agent and a drug allergen.
5-[(3,4-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine