having the group >N—C(O)—N< or >N—C(S)—N<, e.g. urea, thiourea, carmustine (isoureas, isothioureas A61K31/155; sulfonylureas A61K31/64)

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 (isoureas, isothioureas A61K31/155; sulfonylureas A61K31/64)

Child Classifications

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• A61K 31/175 having the group [IMAGE cpc-sch-A61K-0950.gif] , >N—C(O)—N=N— or[IMAGE cpc-sch-A61K-0951.gif] , e.g. carbonohydrazides, carbazones, semicarbazides, semicarbazones; Thioanalogues thereof