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[交流] 【求助】小弟实验中的问题请求大家帮忙解释----------------------急急急!!!!!!

β-CyD (4.4 mmol) and a steroid as the template (1.5 mmol
unless noted otherwise) were dissolved in dry DMSO (50 mL),
and toluene 2,4-diisocyanate (TDI, 28 mmol) was added. After
being magnetically stirred at 65 °C for 2 h, the gel formed was
chopped into pieces, washed with acetone, and ground with
mortar and pestle. The polymer was sufficiently washed with
hot water, tetrahydrofuran (THF), and hot ethanol to remove
the template molecule, β-CyD, and TDI.

小弟想请教文献中提到的丙酮,热水,四氢呋喃,和乙醇分别洗脱什么物质?
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