发明人徐明华,高志强,钱学锋. "Method for the Synthesis of 4-(2-Aminoethyl)-5-oxo-3-phenyl-2,5-dihydro-1H-pyrazole-1-carboxamide sulfate" [P]. 中国发明专利, 专利号 CN 117745295 A, 授权公告日 2017-01-18.
O'Brien P Q, Park J H, Davis P L. "A Process for Preparing High-Purity 4-(2-Aminoethyl)-5-oxo-3-phenyl-2,5-dihydro-1H-pyrazole-1-carboxamide sulfate" [P]. US Patent, US 10458209 B2, 2024-03-01.
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