Synonyms: Pregna-1,4-diene-3,20-dione,9-fluoro-11b,17,21-trihydroxy-16a-methyl-, 21-(dihydrogenphosphate) (8CI); Pregna-1,4-diene-3,20-dione, 9-fluoro-11b,17,21-trihydroxy-16a-methyl-, 21-phosphate (6CI);Betnelan phosphate; Dexamethasone 21-dihydrogen phosphate; Dexamethasone21-phosphate; Dexamethasone orthophosphate; Dexamethasone phosphate; Wymesone