11α-Hydroxy-16β-methyl-17,20:20,21-bis(methylenedioxy)-pregn-4-en-3-one is an intermediate for the synthesis of 16-Methyl Epiprednisolone (M304315), which is a metabolite of Prednisolone (P703740); a synthetic corticosteroid that is metabolically interconvertible with Prednisone (P703780).