title: [Diffractometric study of pyrazinobutazone and related compounds].
mesh_terms: D000893:Anti-Inflammatory Agents; D055598:Chemical Phenomena; D002621:Chemistry; D003460:Crystallization; D003461:Crystallography; D010653:Phenylbutazone / Q000031:analogs & derivatives*; D010879:Piperazines; D014961:X-Ray Diffraction
chemical_list: D000893:Anti-Inflammatory Agents; D010879:Piperazines; D010653:Phenylbutazone
vernacular_title: Etude diffractométrique de la pyrazinobutazone et composés apparentés