Chemical Name: (8S,9S,10R,11S,13S,14S,17R)-17-(2,2-dihydroxyacetyl)-11,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Synonym: Corticosterone 21 aldehyde hydrate ; Hydrocortisone Diol Impurity