Carbolines

**Definition:** A group of pyrido-indole compounds. Included are any points of fusion of pyridine with the five-membered ring of indole and any derivatives of these compounds. These are similar to CARBAZOLES which are benzo-indoles.

**Tree numbers:** - D03.383.725.150 - D03.633.100.473.402.111 - D03.633.300.154

**Synonyms:** - Pyrido(4,3-b)Indoles - Carboline - Pyrido(4,3-b)Indole