A synthetic steroid, C21H26O5, similar to cortisone that is used as an antiallergic, immunosuppressive, and anticancer drug and as an anti-inflammatory agent in the treatment of rheumatoid arthritis.
波尼松合成类固醇，c21h26o5，与用作抗过敏、免疫抑制和抗癌药，并在风湿性关节炎的治疗中作为。
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