Robuta

https://www.mdpi.com/1422-0067/26/1/35 4-Pyridone-3-carboxamide-1-β-D-ribonucleoside Reduces Cyclophosphamide Effects and Induces... 4-pyridone-3-carboxamide-1-β-D-ribonucleoside (4PYR) is a nicotinamide derivative, considered a new oncometabolite. 4PYR formation induced a cytotoxic effect... pyridonecarboxamideribonucleosidereducescyclophosphamide