The molecule is an aminopyrimidine, the structure of which is that of trimethoprim (pyrimidine 2,4-diamine and 1,2,3-trimethoxybenzene moieties linked by a methylene bridge) carrying a 6-hydroxy substituent. It is an aminopyrimidine and a hydroxypyrimidine. It derives from a trimethoprim.
2,4-diamino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-6-one