CPC C07D 233/90 (2013.01) [C07C 311/51 (2013.01); C07D 207/448 (2013.01); C07D 233/72 (2013.01); C07D 233/96 (2013.01); H01M 4/60 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01)] | 22 Claims |
1. A compound as defined in Formula I:
![]() wherein,
R1 and R2 are independently selected from H, F, CN, NO2, and optionally substituted alkyl;
R3 is selected from —NHSO2R4, —NHSO2OR4, —SO2NHSO2R4, —SO2NHSO2OR4 and an optionally substituted non-aromatic heterocycle having 5 or 6 cycle atoms linked through a nitrogen atom of the non-aromatic heterocycle;
R4 is selected from fluorine, optionally substituted C1-6alkyl, and optionally substituted C6aryl; and
(Mn+)1/n is a metal cation, wherein M is an alkali metal or alkaline earth metal and n is 1 or 2;
or a tautomer thereof.
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