发明人郭海燕,周伟,唐晓军. "Method for the Synthesis of 3-((Ethyl(4-((4-(ethyl(3-sulfobenzyl)iminio)cyclohexa-2,5-dien-1-ylidene)(phenyl)methyl)phenyl)amino)methyl)benzenesulfonate" [P]. 中国发明专利, 专利号 CN 115402961 A, 授权公告日 2025-05-28.
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