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发明人赵玉洁,钱学锋,孙丽萍. "Method for the Synthesis of 4-(2-Hydroxyethyl)-2,5-dimethyl-1-((2-nitrophenyl)sulfonyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 115809748 A, 授权公告日 2018-06-27.
Patel M V, Park J H, Kumar R. "A Process for Preparing High-Purity 4-(2-Hydroxyethyl)-2,5-dimethyl-1-((2-nitrophenyl)sulfonyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. US Patent, US 9925155 B2, 2015-03-19.
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