Esters of hydroxyl-substituted nitrogen heterocycles,...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C546S125000, C546S127000, C546S129000, C546S130000, C546S131000

Reexamination Certificate

active

07094788

ABSTRACT:
The present invention relates to new compounds of general formula 1wherein X−and the groups A, B, R, R1, R2, R3, R3′, R4, R4′, Rxand Rx′may have the meanings given in the claims and in the specification, processes for preparing them and their use as pharmaceutical compositions.

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Xu et al. Chemical & Pharmaceutical Bulletin, 1998, 46(2): 231-41.

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