Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim

Full Title

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 two nitrogen atoms as the only ring hetero atoms, e.g. piperazine > Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

Child Classifications

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• A61K 31/506 not condensed and containing further heterocyclic rings
• A61K 31/513 having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
• A61K 31/517 ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
• A61K 31/519 ortho- or peri-condensed with heterocyclic rings
• A61K 31/527 spiro-condensed
• A61K 31/529 forming part of bridged ring systems