发明人韩伟,钱学锋,周伟. "Method for the Synthesis of Ethyl 5-amino-1-{[(tert-butoxy)carbonyl]amino}-4-cyano-2-methyl-1h-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116471388 B, 授权公告日 2021-07-14.
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