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US5767128A 1,3-dihydro-2H-pyrrolo�2,3-b!pyridin-2-one compounds 失效
1,3-二氢-2H-吡咯并[2,3-b]吡啶-2-酮化合物

1,3-dihydro-2H-pyrrolo�2,3-b!pyridin-2-one compounds
摘要:
The invention relates to a compound selected from those of formula (I): ##STR1## wherein R.sub.1, W and Y are as defined in the description, its geometric and/or optical isomers, and its pharmaceutically-acceptable addition salts with an acid or a base useful as analgesies.
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