the 21-yl beta-d-glucosides and galactosides of dexamethasone , prednisolone , hydrocortisone , and fludrocortisone and the 21-yl beta-d-cellobioside of prednisolone were prepared by a modified koenigs-knorr reaction .
C0020268
hydrocortisone
C0016280
fludrocortisone