Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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31/00
Medicinal preparations containing organic active ingredients
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A61K31/16
Amides, e.g. hydroxamic acids
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A61K31/165
having aromatic rings, e.g. colchicine, atenolol, progabide
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A61K31/166
having the carbon of a carboxamide group directly attached to the aromatic ring, e.g. procainamide, procarbazine, metoclopramide, labetalol
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