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3,4,5-Tribromo-2-thiophenecarboxylic acid: BD0081839053317-05-895%; ￥339.0250mg

5-Methoxy-2-thiophenecarboxylic Acid: BD22269229212-22-497%; ￥1019.01g

4-Bromo-2-thiophenecarboxylic acid: BD952416694-18-198%; ￥528.0100g

2-Thiophenecarboxylic acid hydrazide: BD27572361-27-598%; ￥1202.0100g

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