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5-(3'-amino-2'-hydroxybiphenyl-3-ylmethylene)thiazolidine-2,4-dione 、 4'-{N'-[1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-ylidene]hydrazino}-3'-hydroxybiphenyl-4-carboxylic acid 生成 5-(3'-{N'-[1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-ylidene]hydrazino}-2'-hydroxybiphenyl-3-ylmethylene)thiazolidine-2,4-dione