Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-04-05
2005-04-05
Raymond, Richard L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S253030, C514S307000, C514S309000, C514S310000, C514S300000, C544S358000, C544S363000, C546S139000, C546S143000, C546S018000, C546S113000
Reexamination Certificate
active
06875761
ABSTRACT:
Condensed pyridine compounds represented by formula (I):wherein: R1and R3are, independently, hydrogen, lower alkyl, or lower alkoxy; R2represent an amino substituent; ring A is a benzene ring, pyridine ring, thiophene ring, or furan ring; and B represents a substituent containing a ring structure. Also, pharmaceutically acceptable salt and hydrates thereof. These compounds are clinically useful medicaments having serotonin antagonism, and in particular, for treating, ameliorating, or preventing spastic paralysis. They are also useful as central muscle relaxants for ameliorating myotonia.
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Kawano Koki
Kitazawa Noritaka
Kubota Atsuhiko
Matsunaga Manabu
Okabe Tadashi
Eisai Co. Ltd.
Patel Sudhaker B.
Raymond Richard L.
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