Patent ID: 7683193
Filing Date: 2010-03-23
Classification: A61J,A61K,A61P,C07C

Abstract:
1. A compound represented by one of the following structural formulae: wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino or —OM, wherein M is an ammonium, tetra-alkyl ammonium, sodium, potassium, magnesium or zinc cation; W is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, halo, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, carboxamido, or sulfonamide; R n is zero, one or two; and m is one or two, or a pharmaceutically acceptable salt thereof.