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以对氨基苯硫基乙酸为原料,在水介质中以钨酸钠为催化剂与双氧水反应得对氨基苯磺酰基乙酸。
P-aminophenylthioacetic acid as raw material, sodium tungstate in aqueous medium as a catalyst and hydrogen peroxide reaction p-aminobenzenesulfonatoacetic acid.