A61K 31/438 The ring being spiro-condensed with carbocyclic or heterocyclic ring systems
Introduced: January 2000
Title
Titles differ between systems:
IPC: the ring being spiro-condensed with carbocyclic or heterocyclic ring systems
CPC: The ring being spiro-condensed with carbocyclic or heterocyclic ring systems
Full Title
Full titles differ between systems:
Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with one nitrogen as the only ring hetero atom > the ring being spiro-condensed with carbocyclic or heterocyclic ring systems
Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with one nitrogen as the only ring hetero atom > The ring being spiro-condensed with carbocyclic or heterocyclic ring systems
No child classifications to compare. This is a leaf node in both IPC and CPC.