It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确
为N——基化剂,对对氨基苯PABA进行N——基化.
（Para-Aminobenzoic Acid）It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确为N——基化剂,对对氨基苯PABA进行N——基化.
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