title: Separation and determination of the synthetic epimeric corticosteroids dexamethasone and betamethasone in mixtures by thin-layer chromatography on insoluble polyvinylpyrrolidone.
mesh_terms: D001623:Betamethasone / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D003907:Dexamethasone / Q000302:isolation & purification*; D005453:Fluorescence; D007202:Indicators and Reagents; D007536:Isomerism; D007538:Isoniazid; D008722:Methods; D011205:Povidone; D012995:Solubility; D012997:Solvents
chemical_list: D007202:Indicators and Reagents; D012997:Solvents; D003907:Dexamethasone; D001623:Betamethasone; D011205:Povidone; D007538:Isoniazid