C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C07
ORGANIC CHEMISTRY
C07
ORGANIC CHEMISTRY
C07D
HETEROCYCLIC COMPOUNDS
C07D
HETEROCYCLIC COMPOUNDS
205/00
Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
205/00
Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom