quinolines A-type aurachin A-type aurachins Any aurachin in which the farnesyl residue is positioned at C4 of the quinoline core (cf. C-type aurachin, in which the farnesyl residue is positioned at C3). C-type aurachins are converted to A-type aurachins by late stage tailoring reactions. CHEBI:90917 PMID:18989924 PMID:21979787 chebi_ontology