It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二
酯为N——
剂,对对氨苯酸PABA进行N——二.
的It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二酯为N——剂,对对氨苯酸PABA进行N——二.
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