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  2. 3,4-thiophenedicarboxylic acid anhydride; thiophene-3,4-dicarboxylic anhydride; thiophene-3,4-dicarboxylic acid-anhydride; Thiophen-3,4-dicarbonsaeure-anhydrid
3,4-thiophenedicarboxylic acid anhydride; thiophene-3,4-dicarboxylic anhydride; thiophene-3,4-dicarboxylic acid-anhydride; Thiophen-3,4-dicarbonsaeure-anhydrid

3,4-thiophenedicarboxylic acid anhydride; thiophene-3,4-dicarboxylic anhydride; thiophene-3,4-dicarboxylic acid-anhydride; Thiophen-3,4-dicarbonsaeure-anhydrid

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¥ 1.00

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