having one double bond between ring members or between a ring member and a non-ring member

Full Title

Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom > not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member

Child Classifications

Navigate with arrow keys, Enter to open

• C07D 205/08 with one oxygen atom directly attached in position 2, e.g. beta-lactams