Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-03-29
2011-03-29
Davis, Zinna N (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S340000, C514S341000, C514S342000, C544S405000, C546S268400, C546S268700, C546S269100, C546S270700, C546S275400
Reexamination Certificate
active
07915263
ABSTRACT:
The present invention relates to a compound of formula I:wherein: R1is a hydrogen atom, F, CN, etc.; R1′ is a hydrogen atom or lower alkyl which may be substituted; R2is O, S, SO, SO2, etc.; R3is a phenyl which may be substituted; X1, X2, and X3each independently CH, N, etc. provided, however, that among X1, X2and X3, the number of nitrogen is 0 or 1; W is the following residue:wherein: W1, W2, and W3each independently CH, N, etc.,or a pharmaceutically acceptable salt or ester thereof.
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Iwasawa Yoshikazu
Kato Tetsuya
Kawanishi Nobuhiko
Masutani Kouta
Mita Takashi
Banyu Pharmaceutical Co. Ltd.
Davis Zinna N
Leff Matthew A.
Muthard David A.
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