发明人郑宇鹏,杨光,罗永刚. "Method for the Synthesis of 959241-55-5
(6-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid
DTXSID50672519" [P]. 中国发明专利, 专利号 CN 108444165 B, 授权公告日 2017-01-06.
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