发明人韩伟,林芳,郭海燕. "Method for the Synthesis of 4-Amino-3-bromo-1H-pyrrolo[2,3-d]pyridazin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 109226005 B, 授权公告日 2016-01-10.
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