(2-Benzoylamino-3-benzyloxy-5-phenylsulfonylaminophenyl)malonic acid dimethyl ester C??? ??, ??, ??

(2-Benzoylamino-3-benzyloxy-5-phenylsulfonylaminophenyl)malonic acid dimethyl ester ?? ?? ? ???

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(2-Benzoylamino-3-benzyloxy-5-phenylsulfonylaminophenyl)malonic acid dimethyl ester ?? ??