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

氰基吡嗪是生产治疗结核病药物吡嗪酰的重要原。

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

结果 盐酸乙、利福平、吡嗪酰和异烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类杂环各自的特征气,并综述了此类化合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类化合物的一般合成法。

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

氰基吡嗪治疗结核病药物吡嗪酰胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类化合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰要原料。

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

结果 盐酸乙丁醇、利福平、吡嗪酰和异烟肼均具有良好色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍一些要吡嗪类杂环香料及各自特征香气,并此类化合物一般合成法。

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

氰基是生产治疗结核病药物胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、胺和异烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的杂环香料及各自的特征香气,并综述了合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪杂环香料及各自的特征香气,并综述了此化合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪杂环香料及各自的特征香气,并综述了此化合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰胺的重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪杂环香料及各自的特征香气,并综述了此化合物的一般合成法。

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

氰基吡嗪是生产治疗结核病药物吡嗪酰的原料。

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

结果 盐酸乙丁醇、利福平、吡嗪酰烟肼均具有良好的色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一的吡嗪类杂环香料及各自的特征香气,并综述了此类化合物的一般合成法。

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

氰基吡嗪是生产治疗结核吡嗪酰胺重要原料。

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

结果 盐酸乙胺丁醇、利福平、吡嗪酰胺和异烟肼均具有良好色谱行为。

CONCLUSION: Glipizide capsules were stable and the valid period was 2 years.

格列吡嗪胶稳定性好，预测其有效期2年以上。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要吡嗪类杂环香料及各自特征香气,并综述了此类化一般成法。