(EN) The disclosure is directed to crystalline forms and mixtures thereof of R-fasoracetam. Such crystalline forms include Form II monohydrate R-fasoracetam and the anhydrate form of R-fasoracetam. The disclosure further includes mixtures of the anhydrate form of R-fasoracetam together with one or more of Form I monohydrate R-fasoracetam and Form II monohydrate R-fasoracetam.
(ZH) 本公开涉及R‑法索拉西坦的结晶形式及其混合物。这样的结晶形式包括II型R‑法索拉西坦一水合物和R‑法索拉西坦的无水形式。本公开还包括无水形式的R‑法索拉西坦与I型R‑法索拉西坦一水合物和II型R‑法索拉西坦一水合物中的一种或多种的混合物。