👉 Polyphylline is a chemical compound that has the formula C10H9NO2. It is classified as a diastereomer, meaning it can be either one of its two structural isomers. The chemical name for polyphylline is 4-methyl-5-nitro-3-hydroxy-2-pyridone and it has been found in various plants, including rose, tulip, and ferns. It also occurs naturally in the bark of
