G1499-2, a new quinoline compound isolated from the fermentation broth of Cytophaga johnsonii.

Abstract
A new quinoline compound, G1499-2 [C18H21NO(I)] is produced by C. johnsonii. G1499-2 has an unusual structure containing a cyclopropylidene radical. The compound has limited antibiotic activity against a few bacteria. It is not toxic to mice.