KnowraQuinolineLinked fromLinked fromThe 3 pages that link to Quinoline, each with the reason it gives.All 3Broader topic 1Compared with 2Friedlieb Ferdinand RungeBroader topic: Runge isolated quinoline as part of his investigations of coal tar.AcridineCompared with: Quinoline has two fused rings, unlike acridine’s three.IsoquinolineCompared with: It is isoquinoline’s constitutional isomer, with nitrogen in a different ring position.