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Synthesis and characterization of two novel potentially tetradentate chelating O^N^C ligands: 2-(2-hydroxyphenyl)-6-p-tolylisonicotinic acid and 2-(2-hydroxyphenyl)-6-p-tolylisonico- tinic acid ethyl ester were firstly reported.
Synthesis and characterization of two novel potentially tetradentate chelating O ^ N ^ C ligands: 2- (2-hydroxyphenyl) -6-p- tolylisonicotinic acid and 2- (2-hydroxyphenyl) -6-p-tolylisonico- tinic acid ethyl ester were was reported.