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![5，5'-Dimethyl-[1，1'-biphenyl]-2，2'-dicarboxylic acid](/web/image/product.product/862789/image_1024/%5BD696905-5g%5D%205%EF%BC%8C5%27-Dimethyl-%5B1%EF%BC%8C1%27-biphenyl%5D-2%EF%BC%8C2%27-dicarboxylic%20acid%20%285g%29?unique=97744c2)