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(2007)5-hydroxy-6-methyl-pyridine-3,4-dicarboxylic acid dimethyl ester
ethyl 2-methyl-3-amino-5-cyanopyridine-4-carboxylate
ethyl 3-amino-6-chloro-5-cyano-2-methylisonicotinate
4-pyridoxic acid
ethyl 2,4-diketopentanoate
5-benzyloxy-6-methyl-pyridine-3,4-dicarboxylic acid dibenzyl ester
5-hydroxy-6-methyl-3,4-pyridinedimethanol
5-hydroxy-6-methyl-pyridine-3,4-dicarboxylic acid dimethyl ester
[5-(benzyloxy)-4-(hydroxymethyl)-6-methylpyridin-3-yl]methanol
4,5-bis-hydroxymethyl-3-methoxy-2-methyl-pyridine