发明人张德明,高志强,马晓峰. "Method for the Synthesis of 2-Amino-4-(4-methoxyphenyl)-4H-benzo[h]chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 112579038 A, 授权公告日 2019-01-14.
发明人陈志强,何建平,朱建伟. "A Process for Preparing High-Purity 2-Amino-4-(4-methoxyphenyl)-4H-benzo[h]chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111193788 A, 授权公告日 2018-08-17.
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