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3-Hydroxythiophene-2-carboxylic acid: BD874125118-07-095%; ￥2445.01g

3,4-Dihydroxythiophene-2,5-dicarboxylic acid: BD0075284714282-58-795%; ￥2064.01g

Methyl 3-hydroxythiophene-2-carboxylate: BD35595118-06-997%; ￥272.025g

Dimethyl 3,4-dihydroxythiophene-2,5-dicarboxylate: BD2160358416-04-998%; ￥849.05g

Methyl 3-hydroxy-4,5-dimethylthiophene-2-carboxylate: BD16325632822-84-798%; ￥222.0250mg

Thiophen-3-ol: BD16785417236-59-895%; ￥2332.01g

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