Tryptanthrin is a kind of indole quinazoline alkaloid.

色胺哚喹唑啉类生物碱。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

哚和吡唑是含氮有机杂环化合物的两大类型，它们也是有机化家研究的热点问题。

Chapter 5 steered the concrete programming, concrete curtate three working extent of authoriths of the indoles consumer, designed three working interfaces.

第五章进行具体的程序，具体划分三类用户的操作权限，三个操作界面。

In addition, some organic acids with the bad breath, such as butyric acid and propionic acid, and indole, methyl indole compounds and cadaverine.

此外，一些有机酸也与口臭有关，如丁酸和丙酸，以及哚、甲基哚和尸胺等化合物。