发明人钱学锋,张德明,孙丽萍. "一种3-吲哚酚硫酸盐-d4钾盐的合成方法" [P]. 中国发明专利, 专利号 CN 113107715 A, 授权公告日 2025-05-27.
发明人高志强,郭海燕,胡光. "Method for the Synthesis of 3-Indoxyl Sulfate-d4 Potassium Salt" [P]. 中国发明专利, 专利号 CN 111043379 B, 授权公告日 2016-04-11.
发明人刘建华,黄志刚,周伟. "A Process for Preparing High-Purity 3-Indoxyl Sulfate-d4 Potassium Salt" [P]. 中国发明专利, 专利号 CN 117435405 A, 授权公告日 2021-05-04.
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