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US 6,747,038 B2Granted
Phenanthridine derivatives and antitumoral medicaments containing phenanthridine
OwnerBernd Clementinventor
Life of this patent
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Abstract
The invention relates to novel phenanthridine derivatives and to medicaments, which are for use in antitumoral therapy and prophylaxis and which contain these phenanthridine derivatives. It could be shown that up to now specifically substituted phenanthridine derivatives of the prior art neither have a known nor an antitumoral activity that is to be expected.
Claims16
A phenanthridine derivative of the formula I
- wherein three of R1 to R4 are methoxy and one is hydrogen;
- or an ionic form thereof, or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.