European Pharmacopoeia (EP) Reference Standard Synonym(s): Hydrocortisone; 11β,17α,21-Trihydroxypregn-4-ene-3,20-dione; 17-Hydroxycorticosterone; 4-Pregnene-11β,17α,21-triol-3,20-dione; Cortisol; Kendall's compound F; Reichstein's substance M Empirical Formula:...