C CHEMISTRY; METALLURGY
C07 ORGANIC CHEMISTRY
C07D HETEROCYCLIC COMPOUNDS
C07D295/00 Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
C07D295/04 with substituted hydrocarbon radicals attached to ring nitrogen atoms
C07D295/14 substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals