发明人陈志强,孙丽萍,郭海燕. "Method for the Synthesis of Tenapanor impurity 1" [P]. 中国发明专利, 专利号 CN 112917864 A, 授权公告日 2020-10-22.
发明人高志强,钱学锋,王建平. "A Process for Preparing High-Purity Tenapanor impurity 1" [P]. 中国发明专利, 专利号 CN 109762768 A, 授权公告日 2025-03-16.
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