发明授权
US4835145A 16,17 acetals of pregnane derivatives and pharmaceutical compositions containing them 失效
16,17缩醛的孕烷衍生物和含有它们的药物组合物

16,17 acetals of pregnane derivatives and pharmaceutical compositions
containing them
摘要:
A compound exhibiting anti-inflammatory properties having the formula ##STR1## in which X is H, Hal or CH.sub.3 COO--; R.sub.1 is CH.sub.3 (CH.sub.2).sub.2 CH--; and R.sub.2 and R.sub.3 are separately H or Hal; and a pharmaceutical composition containing the same.
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