title: Mass spectra of dexamethasone and betamethasone.
mesh_terms: D001623:Betamethasone / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D003907:Dexamethasone / Q000032:analysis*; D013058:Mass Spectrometry; D008968:Molecular Conformation; D013237:Stereoisomerism
chemical_list: D003907:Dexamethasone; D001623:Betamethasone