请问各位大神：
The photo-resist used in these experiments is a mixture of tri- and tetra-acrylates and 7-Diethylamino-3-thenoylcoumarin as a photo-starter which can be readily quenched via STED。
上面的句子里面所用的材料—— tri- and tetra-acrylates and 7-Diethylamino-3-thenoylcoumarin 是哪种材料？（求其中文名字）
多谢啦！！
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