A single of such rings can be a piperidine ring, a nitrogenous 6 member ring, bonded at its nitrogen group. The opposite ring is an aromatic phenyl ring, substituted at R3 with a methoxy team. 2-FDCK has an o-fluorophenyl team as an aryl substituent as well as the amine group https://jamesr074bio0.dekaronwiki.com/user