Patent classifications
C
CHEMISTRY; METALLURGY
Load children
C07
ORGANIC CHEMISTRY
Load children
C07D
HETEROCYCLIC COMPOUNDS
Load children
307/00
Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
Load children Filter patents View analytics View as hierarchy
C07D307/02
not condensed with other rings
Load children Filter patents View analytics View as hierarchy
C07D307/26
having one double bond between ring members or between a ring member and a non-ring member
Load children Filter patents View analytics View as hierarchy
C07D307/30
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
Load children Filter patents View analytics View as hierarchy