6-Amino-5-nitrosouracil-13C,15N2

6-Amino-5-nitrosouracil-13C,15N2 is an intermediate in the synthesis of Xanthine-13C15N2 (X499952), which is an isotope labelled analog of Xanthine (X499950), a substance that can be found in animal organs, yeast, potatoes, coffee beans, tea. Xanthine can be used to relax and widen certain breathing passages of the lungs. It is also found that a large number of derivatives that exhibits adenoside receptor antagonist properties.