发明人张德明,孙丽萍,周伟. "Method for the Synthesis of Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.'-[(methyloctadecyliminio)di-2,1-ethanediyl]bis[.omega.-hydroxy-, chloride (1:1)" [P]. 中国发明专利, 专利号 CN 117840942 A, 授权公告日 2019-05-19.
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