[New oxygen-containing rings. Formation tendency of oxygen-containing rings in the Hofmann degradation. 4].
D006571:Heterocyclic Compounds / Q000737:chemistry*; D007783:Lactones / Q000737:chemistry*; D010100:Oxygen / Q000737:chemistry*
D006571:Heterocyclic Compounds; D007783:Lactones; D010100:Oxygen
HETEROCYCLIC COMPOUNDS/chemistry; LACTONES/chemistry; OXYGEN/chemistry