申请人:DR. REDDY'S LABORATORIES LIMITED
公开号:US11168057B2
公开(公告)日:2021-11-09
The present invention provides crystalline Roxadustat Form-γ, crystalline Roxadustat Form-δ, process for the preparation of crystalline Roxadustat Form-γ, crystalline Roxadustat Form-δ and its pharmaceutical compositions thereof. The present invention also provides co-crystals of Roxadustat Form RLP, Roxadustat Form RNM and Roxadustat Form RU, process for their preparation and pharmaceutical composition thereof.
本发明提供结晶型 Roxadustat Form-γ、结晶型 Roxadustat Form-δ、结晶型 Roxadustat Form-γ、结晶型 Roxadustat Form-δ 的制备工艺及其药物组合物。本发明还提供了共晶体 Roxadustat Form RLP、Roxadustat Form RNM 和 Roxadustat Form RU 及其制备工艺和药物组合物。