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Welcome to Weifang Qianjin Fine Chemical Co.,Ltd.
Mr.Zhang +86-18660631314
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Pyridine
Toluene
Benzaldehyde
Thiophene
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4-Bromothiophene-2-carboxaldehyde
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4-bromo-2-thiophenecarboxylic acid
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2,3-Dihydroxybenzoic acid
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