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4-Pyridinecarboxylic acid hydrazide: BD2138954-85-398+%; ￥82.0100g

3-Aminoisonicotinohydrazide: BD8422664189-08-895%; ￥1078.01g

3-Fluoropyridine-4-carbohydrazide: BD00949545364-82-995%; ￥1242.01g

2-Cyanoisonicotinohydrazide: BD522376135048-32-795%; ￥838.05g

2-Chloro-4-pyridinecarbohydrazide: BD2915358481-04-298%; ￥145.0250mg

2-Aminoisonicotinohydrazide: BD371758481-01-998+%; ￥444.01g

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