methyl carbazole

例句：

1. 1.This compound is a key intermediate in the synthesis of methyl carbazole.
   这种化合物是合成甲基苦味素的关键中间体。
2. 2.The presence of methyl carbazole in soil can indicate the presence of harmful pests.
   土壤中甲基苦味素的存在可能表明有害害虫的存在。
3. 3.Methyl carbazole is used as a fungicide to control plant diseases.
   甲基苦味素用作杀菌剂，用于控制植物疾病。