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1·The triethyl citrate was prepared from citric acid and ethanol with activated carbon supported ferric chloride as catalyst.

以活性炭固载氯化铁为催化剂，用柠檬酸和乙醇合成了柠檬酸三乙酯。

2·To remedy this limitation, a number of low molecular weight plasticisers such as glycerol, sorbitol and triethyl citrate are used.

为了解决这个限制，一个低分子量增塑剂如甘油数量，山梨醇，柠檬酸三乙酯使用。

3·Methods: Using eudragitrs 100, triethyl citrate, hydrated magnesium silicate, magnesium stearate, silicic acid anhydride, povidone K30 and etc as capsules preparation materials.

方法：以空白丸芯、柠檬酸三乙酯、滑石粉、硬脂酸镁、胶体二氧化硅、聚维酮K30等为骨架材料制备吲达帕胺缓释胶囊；