Halogen derivatives of quinoline; quinolinecarboxylic acid derivatives
Heterocyclic compounds with nitrogen heteroatom[s] only, containing in the structure a quinoline or isoquinoline ringsystem, whether or not hydrogenated, but not further fused (excl. levorphanol "inn", dextromethorphan "inn", and their salts, halogen derivatives of quinoline, quinolinecarboxylic acid derivatives, and inorganic or organic compounds of mercury)