Benzonaphthyridine-N-oxides comprising a PDE3 and PDE4 inhibiting activity

Invention Grant

US06436952B1 Benzonaphthyridine-N-oxides comprising a PDE3 and PDE4 inhibiting activity 失效

Title translation: 包含PDE3和PDE4抑制活性的苯并萘啶-N-氧化物

Patent Title: Benzonaphthyridine-N-oxides comprising a PDE3 and PDE4 inhibiting activity
Patent Title (中): 包含PDE3和PDE4抑制活性的苯并萘啶-N-氧化物
Application No.: US09744974

Application Date: 2001-02-15
Publication No.: US06436952B1

Publication Date: 2002-08-20
Inventor: Dieter Flockerzi
Applicant: Dieter Flockerzi
Priority: EP98116416 19980831
Main IPC: A61K314375
IPC: A61K314375

Abstract:

Compounds of the formula I, in which R1, R2, R3 and R4 have the meanings indicated in the description, are novel active bronchial therapeutics.

Abstract(Chinese):

其中R1，R2，R3和R4具有说明书中所示含义的式I化合物是新的活性支气管理剂。

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