1-Butyl-2,3,4,5,6,7-hexahydro-3-methyl-2,4,6-trioxo-1H-pyrrolo[2,3-d]pyrimidine-5-acetic acid

1-Butyl-2,3,4,5,6,7-hexahydro-3-methyl-2,4,6-trioxo-1H-pyrrolo[2,3-d]pyrimidine-5-acetic acid