Thiophene series
Number Product name CAS NO. Specification Remarks
1 3,4-Thiophenedicarbonitrile 18853-32-2 / /
2 3,4-thiophene dicarboxylic acid 4282-29-5 / /
3 2,5-dibromo-3,4-thiophene dicarboxylic acid 190723-12-7 / /
4 3,4-thiophene dicarboxylic anhydride 6007-85-8 / /
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