C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C07
ORGANIC CHEMISTRY
C07
ORGANIC CHEMISTRY
C07D
HETEROCYCLIC COMPOUNDS
C07D
HETEROCYCLIC COMPOUNDS
C07D311/00
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/00
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/02
ortho- or peri-condensed with carbocyclic rings or ring systems
C07D311/02
ortho- or peri-condensed with carbocyclic rings or ring systems
C07D311/78
Ring systems having three or more relevant rings
C07D311/78
Ring systems having three or more relevant rings
C07D311/80
Dibenzopyrans; Hydrogenated dibenzopyrans
C07D311/80
Dibenzopyrans; Hydrogenated dibenzopyrans
C07D311/82
Xanthenes
C07D311/82
Xanthenes