Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had good chromatographic behavior.

结果 盐酸乙丁醇、利福平、吡和异烟肼均具有良好的色谱行。

2-cyanopyrazine is an important raw material in manufacturing pyrazinamide, anlitubercu-lar drug.

吡是生产治疗结核病药物吡的重要原料。