https://doi.org/10.1351/goldbook.B00597
  1. Pyrimidine-2,4,6(1H,3H,5H)-trione (@[email protected] barbituric acid) and derivatives:
    B00597.png
    (@[email protected] tautomeric form)
  2. Salts of barbituric acid and its derivatives.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1322 [Terms] [Paper]