title: Electron spin resonance study of the free radicals of 3-methylcholanthrene oxi-derivatives.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D008748:Methylcholanthrene; D010084:Oxidation-Reduction
chemical_list: D005609:Free Radicals; D008748:Methylcholanthrene