发明人黄志刚,何建平,杨光. "Method for the Synthesis of 1-{3-nitro-4-[(E)-2-[(2E)-3-phenylprop-2-en-1-ylidene]hydrazin-1-yl]benzenesulfonyl}piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113125575 A, 授权公告日 2019-09-22.
发明人沈红梅,郑宇鹏,罗永刚. "A Process for Preparing High-Purity 1-{3-nitro-4-[(E)-2-[(2E)-3-phenylprop-2-en-1-ylidene]hydrazin-1-yl]benzenesulfonyl}piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110359262 B, 授权公告日 2020-01-08.
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