Five-membered Ring Containing A Single N Atom (9/572; 9/572g; 9/572k; 9/572k2; 9/572k4; 9/572r) Patents (Class 987/103)

Ring is condensed or bridged to a carbocyclic ring system (9/572v) (Class 987/104)

N atom of ring is bonded directly to a p atom or indirectly to a p atom other than through a ring atom of the five-membered ring (9/572e) (Class 987/105)

There are no patents to show for this class.