The molecule is an A-type aurichin that is 1,2-dihydrofuro[2,3-c]quinoline 5-oxide which is substituted at position 2 by a (6E)-10-hydroxy-2,6-dimethylundeca-2,6-dien-10-yl group and at position 4 by a methyl group (relative configuration shown). Found in the myxobacterium Stigmatella aurantiaca strain Sg a15. It has a role as a bacterial metabolite and an antibacterial agent. It is an A-type aurachin, a quinoline N-oxide, a tertiary alcohol and a furoquinoline.
(2S,5E)-6,10-dimethyl-2-[(2R)-4-methyl-5-oxido-1,2-dihydrofuro[2,3-c]quinolin-5-ium-2-yl]undeca-5,9-dien-2-ol