title: The synthesis of corticosteroids methylated at C-21.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000737:chemistry*; D003879:Dermatologic Agents; D005938:Glucocorticoids; D011245:Pregnadienes
chemical_list: D000305:Adrenal Cortex Hormones; D003879:Dermatologic Agents; D005938:Glucocorticoids; D011245:Pregnadienes
keywords: ADRENAL CORTEX HORMONES/chemistry