Synonyms: Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-21-[(3,7,11-trimethyl-1-oxo-2,6,10-dodecatrienyl)oxy]-, [11b,21(2E,6E)]-;Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-21-[[(2E,6E)-3,7,11-trimethyl-1-oxo-2,6,10-dodecatrienyl]oxy]-,(11b)- (9CI); PNF 21; Prednisolone21-all-trans-farnesylate