3678-63-5
4-氯-2-甲基吡啶
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857428-85-4
3,5-Diiodo-2-methyl-4-pyridinol
18615-86-6
2-甲基-4-羟基吡啶
856835-95-5
3,5-diiodo-4-oxo-1H-pyridine-2-carboxylic acid