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C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
C07D221/04—Ortho- or peri-condensed ring systems
C07D221/06—Ring systems of three rings
C07D221/10—Aza-phenanthrenes
C07D221/12—Phenanthridines
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FR913383D1944-01-031945-08-14
Process for manufacturing phenanthridine derivatives
ExpiredFR913383A
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