DIFF Subgroup
C07D 205/04 having no double bonds between ring members or between ring members and non-ring members
Introduced: July 1974
Full Title
Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom > not condensed with other rings > having no double bonds between ring members or between ring members and non-ring members
No child classifications to compare. This is a leaf node in both IPC and CPC.