Technology trends
Patent search
Sign In
Sign Up
Patent classifications
C
CHEMISTRY; METALLURGY
Load children
C07
ORGANIC CHEMISTRY
Load children
C07D
HETEROCYCLIC COMPOUNDS
Load children
207/00
Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
Load children
Filter patents
View analytics
View as hierarchy
C07D207/02
with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
Load children
Filter patents
View analytics
View as hierarchy
C07D207/44
having three double bonds between ring members or between ring members and non-ring members
Load children
Filter patents
View analytics
View as hierarchy
C07D207/444
having two doubly-bound oxygen atoms directly attached in positions 2 and 5
Load children
Filter patents
View analytics
View as hierarchy
C07D207/456
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 other ring carbon atoms
Filter patents
View analytics
View as hierarchy