having heterocyclic substituents, e.g. 4-salicycloylmorpholine, (sulfasalazine A61K31/635)

Introduced: July 1974

Title

Titles differ between systems:

IPC: having heterocyclic substituents, e.g. 4-salicyloylmorpholine

CPC: having heterocyclic substituents, e.g. 4-salicycloylmorpholine, (sulfasalazine A61K31/635)

Full Title

Full titles differ between systems:

IPC:

Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof > having heterocyclic substituents, e.g. 4-salicyloylmorpholine

CPC:

Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof > having heterocyclic substituents, e.g. 4-salicycloylmorpholine, (sulfasalazine A61K31/635)

No child classifications to compare. This is a leaf node in both IPC and CPC.