Using potassium ion as template and in THF solution, 18crown6 was synthesized in 51.58 % yields by reaction of a mixture of triethylene glycol and dichlorotriethylenediether.是什么意思_Using potassium ion as template and in THF solution, 18crown6 was synthesized in 51.58 % yields by reaction of a mixture of triethylene glycol and dichlorotriethylenediether.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句