23-keto-25-hydroxyvitamin D3

Known as: 25-hydroxy-23-oxocholecalciferol, 25-hydroxy-23-oxovitamin D3, 9,10-Secocholesta-5,7,10(19)-trien-23-one, 3,25-dihydroxy-, (3beta,5Z,7E)-

National Institutes of Health