| http://www.w3.org/ns/prov#value | - The products are particularly useful in the preparation of antibacterial 1-alkyl-1,4-dihydro-4-oxo-7-pyridinyl-3-quinolinecarboxylic...http://www.google.com/patents/US4515945?utm_source=gb-gplus-sharePatent US4515945 - N-Alkyl-4-(4-pyridinyl)isatoic anhydridesAdvanced Patent SearchPublication numberUS4515945 APublication typeGrantApplication numberUS 06/522,792Publication dateMay 7, 1985Filing dat
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