... Name: Dexamethasone Sodium Phosphate Synonyms: 1,4-PREGNADIEN-9-ALPHA-FLUORO-16-ALPHA-METHYL-11-BETA, 17,21-TRIOL-3,20-DIONE ... 21-PHOSPHATE, DISODIUM SALT 9-FLUORO-11 BETA,17 ALPHA,21 ... -TRIHYDROXY-16 ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE-21-(DIHYDROGENPHOSPHATE ...