发明人杨光,胡光,张德明. "Method for the Synthesis of 2-[3-(2-Hydroxyethyl)-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 109385322 B, 授权公告日 2018-05-16.
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