It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫
酯为N——基
剂,对对氨基苯PABA进行N——基.
基
的It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酯为N——基剂,对对氨基苯PABA进行N——基.
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