nitroisophthalic| 毕得医药

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4-Nitroisophthalic acid: BD994894315-09-798%; ￥52.01g

2-Nitroisophthalic acid: BD7772821161-11-598%; ￥191.025g

5-Nitroisophthalic acid: BD21821618-88-298%; ￥29.0100g

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