DIFF Subgroup
A61K 31/121 acyclic
Introduced: January 2000
Full Title
Medicinal preparations containing organic active ingredients > Ketones > acyclic
No child classifications to compare. This is a leaf node in both IPC and CPC.
A61K 31/121 Introduced: January 2000
Medicinal preparations containing organic active ingredients > Ketones > acyclic
No child classifications to compare. This is a leaf node in both IPC and CPC.