having the group N—C(O)—N or N—C(S)—N, e.g. urea, thiourea, carmustine

Full Title

Medicinal preparations containing organic active ingredients > Amides, e.g. hydroxamic acids > having the group N—C(O)—N or N—C(S)—N, e.g. urea, thiourea, carmustine

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 31/175 having the group , N—C(O)—N=N— or , e.g. carbonohydrazides, carbazones, semicarbazides, semicarbazones; Thioanalogues thereof