2,4-Dioxo-1-(prop-2-ynyl)-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde
In the crystal structure Chains of the title compound, C8H6N2O3, the molecules are linked by a pairs of intermolecular N—H.O hydrogen bonds, forming inversion dimers.The aldehyde group is in the same plane as the Allergy Relief pyrimidine ring [with a maximum deviation of 0.083 (2) Å for the O atom), and the l