发明人徐明华,朱建伟,胡光. "一种4-methyl-3-phenylpiperazin-2-one的合成方法" [P]. 中国发明专利, 专利号 CN 112447331 A, 授权公告日 2021-02-26.
Williams B T, Park J H, Kumar R. "Method for the Synthesis of 4-methyl-3-phenylpiperazin-2-one" [P]. US Patent, US 9432188 B2, 2019-04-06.
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