| 摘要 |
21,21-Dichlorosteroids of the formula WHEREIN R1 is a hydrogen or chlorine atom; R2 is a hydrogen atom, a fluorine atom, or a methyl group; R3 is a hydrogen atom or a methyl group; R4 is a hydrogen atom or a free or esterified hydroxy group; and C1-C2 represents a single or double bond joining the carbon atoms at the 1- and 2-positions, have anti-inflammatory activity.
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