having an aryl radical as the second substituent in position 4

Full Title

Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings > with only hydrogen or carbon atoms directly attached to the ring nitrogen atom > having no double bonds between ring members or between ring members and non-ring members > with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms > Oxygen atoms > attached in position 4 > having an aryl radical as the second substituent in position 4