| http://www.w3.org/ns/prov#value | - In accordance with the present invention there is provided a process for the preparation of a piperidyl-steroid which has an oxygen-containing group in the l6-position, and having-the general formula: in which X-Y denotes the group I E CHi and R is a hydrogen atom or a radical of an aliphatic or aromatic carboxylic acid, and R is a hydrogen atom or an acyl group of a lower aliphatic carboxylic ac
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