The molecular formula C4H4N2O3 (molar mass: 128.09 g/mol, exact mass: 128.0222 u) may refer to:
The molecular formula C4H4N2O3 (molar mass: 128.09 g/mol, exact mass: 128.0222 u) may refer to: Barbituric acid (or malonylurea) 5-Hydroxyuracil
Category:Molecular formulas
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).