It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二甲酯为N——甲
剂,对对
甲酸PABA进行N——二甲.
的It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二甲酯为N——甲剂,对对甲酸PABA进行N——二甲.
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