Patent ID: 9255091
Filing Date: 2016-02-09
CPC Classification: C07D

Claim Text:
1. A compound represented by the formula: or a salt or ester thereof, wherein the phenyl ring may contain one or more R substituent groups, the benzothiazole ring may contain one or more R′ substituent groups, and the pyridine ring may contain one or more R″ substituent groups; and wherein R is selected from the group consisting of hydrogen, a halogen, alkyl, cycloalkyl, aryl, heteroaryl, a 3′ hydroxyl, a 5′ hydroxyl, acyl, alkoxy, carboxyester, carboxythiolester, and an amide, any carbon atom of which may be optionally substituted; R′ is selected from the group consisting of hydrogen, a halogen, alkyl, cycloalkyl, aryl, heteroaryl, a 3′ hydroxyl, a 5′ hydroxyl, acyl, alkoxy, carboxyester, carboxythiolester, and an amide, any carbon atom of which may be optionally substituted; R″ is selected from the group consisting of hydrogen, a halogen, alkyl, cycloalkyl, aryl, heteroaryl, a 3′ hydroxyl, a 5′ hydroxyl, acyl, alkoxy, carboxyester, carboxythiolester, and an amide, any carbon atom of which may be optionally substituted; and X is selected from the group consisting of an organic or inorganic negatively-charged ion.