Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – X-ray contrast imaging agent
Reexamination Certificate
2005-08-23
2005-08-23
Berch, Mark (Department: 1624)
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
X-ray contrast imaging agent
C424S001810, C544S099000
Reexamination Certificate
active
06932961
ABSTRACT:
The present invention provides isotopically labeled oxazinocarbazole derivatives having a ring connecting position 8 (C-8) and position 9 (N-9), and more specifically, provides compounds of formula (I) wherein R1, R2, R3and R4are described herein.These compounds are useful in the diagnostic analysis of diseases wherein modulation of 5-HT activity is desired.
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McCarthy Timothy J.
Merchant Kalpana M.
TenBrink Ruth Elizabeth
Berch Mark
Habte Kahsay
Harvey Suzanne M.
Hosley Mary J.
Pharmacia & Upjohn Company
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