发明人赵玉洁,张德明,郭海燕. "Method for the Synthesis of Methyl 4-amino-3-(isopropylamino)benzoate" [P]. 中国发明专利, 专利号 CN 115298386 B, 授权公告日 2019-03-06.
Schröder R, Patel M V, Fischer A B. "A Process for Preparing High-Purity Methyl 4-amino-3-(isopropylamino)benzoate" [P]. US Patent, US 9912725 B2, 2018-02-07.
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