This is the translation of the text you provided:
This invention relates to a method for preparing a novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative or a pharmaceutically acceptable salt thereof and pharmaceutical compositions containing it as an active ingredient. Compositions containing the novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative according to the present invention can be useful for the prevention or treatment of diseases induced by the overactivity of Janus kinase (JAK).
This is the translation of the text you provided:
This invention relates to a method for preparing a novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative or a pharmaceutically acceptable salt thereof and pharmaceutical compositions containing it as an active ingredient. Compositions containing the novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative according to the present invention can be useful for the prevention or treatment of diseases induced by the overactivity of Janus kinase (JAK).