Lichtabsorption und Tautomerie der Harnsäure

Selective Separation of Polycyclic Aromatic Compounds by Countercurrent Distribution with a Solvent System Containing Tetramethyluric Acid.

“…Calculated for CgH^NiOs: C, 48.21; H, 5.35. Found: C, 48.15; , 5.17. Ultraviolet absorption maxima at 240 and 294 µ with log Umoi 3.80 and 4.04 (H»0) were consistent with the spectrum reported by Fromherz and Hartmann (7).…”