【单选题】
A 4-Butyl-1- （4-hydroxyphenyl）-2-phenyl-3,5-pyrazolidinedione
B 2-[（2,3-Dimethylphenyl）amino] benzoic acid
C 1-（4- Chlorobenzoyl）-5-methoxy-2-methyl-1H-indole-3-acetic acid
D 4-Hydroxy-2-methyl-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide 1,1- dioxide
E 4-[5-（4-[5-（4-Methylphenyl）-3-（trifluoromethyl）-1H-pyrazol-1-yl] benzenesulfonamide
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