4-甲基-2,2-联吡啶-4-羧酸;
4'-Mebpy-4-COOH;4'-methyl-[2,2'-bipyridine]-4-carboxylic acid;[2,2'-Bipyridine]-4-carboxylicacid,4'-methyl;4-4-carboxyl-4'-methyl-2,2'-bipyridine;
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