The invention relates to crystalline forms of a 3-substituted 1,2,4-oxadiazole compound, including an anhydrous crystalline form, methods of their preparation, and related pharmaceutical preparations thereof. The invention also relates to preparations suitable for pharmaceutical, veterinary, and agriculturally-relevant uses.
                            本发明涉及 3-取代的 1,2,4-噁二唑化合物的结晶形式(包括无
水结晶形式)、其制备方法及其相关药物制剂。本发明还涉及适用于制药、兽医和农业相关用途的制剂。