3-hydroxy-2-methylisonicotinic acid
3-hydroxy-2-methylpyridine-4-carboxylic acid 3-hydroxy-2-methyl-isonicotinic acid 3-hydroxy-2-methyl-pyridine-4-carboxylic acid
3-hydroxy-2-methylpyridin-4-carbonsäure acide 3-hydroxy-2-méthylpyridine-4-carboxylic 3-ヒドロキシ-2-メチルピリジン-4-カルボン酸
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