Stevens L M, Lee S K, Roberts E F. "一种的合成方法" [P]. US Patent, US 9799824 B2, 2015-05-15.
发明人李文辉,钱学锋,郭海燕. "Method for the Synthesis of 1722-11-8
2,5-dichloro-4-(4-{(e)-[5-({4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl}amino)-2-sulfophenyl]diazenyl}-3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-1-yl)benzenesulfonic acid
AR-1D4226" [P]. 中国发明专利, 专利号 CN 114350833 A, 授权公告日 2020-10-09.
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