Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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243/00
Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
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C07D243/06
having the nitrogen atoms in positions 1 and 4
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C07D243/10
condensed with carbocyclic rings or ring systems
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C07D243/14
1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
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C07D243/16
substituted in position 5 by aryl radicals
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C07D243/18
substituted in position 2 by nitrogen, oxygen or sulfur atoms
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C07D243/26
Preparation from compounds already containing the benzodiazepine skeleton
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