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77457-04-6 2,4-thiophenedicarboxylic acid, 5-amino-3-methyl-, 2-ethyl 4-methylester

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Product Name 2,4-Thiophenedicarboxylic acid, 5-amino-3-methyl-, 2-ethyl 4-methylester
CAS No. 77457-04-6
Molecular Formula C10H13NO4S