Tetrahydropyridinylpyrrolopyridine
Tetrahydropyridinylpyrrolopyridines are a group of pyrrolopyridine–tetrahydropyridine derivatives related to the tryptamines. They are not tryptamines themselves, as they feature a pyrrolopyridine instead of indole ring system.
Source: Wikipedia — Tetrahydropyridinylpyrrolopyridine (CC BY-SA 4.0)