Cotoin is a natural product isolated from the stem bark of Garcinia virgate.Cotoin has antispasmodic activity and reduces the tone and contraction of isolated rabbit intestine.

1-Methyl-2-undecyl-4(1H)-quinolone, and dihydroevocarpine should also be served as the chemical markers together with evodiamine for the quality control of Evodia rutaecarpa (Juss.) Benth.

TPE-MI (Tetraphenylethene maleimide) 在通过马来酰亚胺与硫醇结合之前本质上是非荧光的。TPE-MI 荧光在标记游离半胱氨酸硫醇时被激活，该硫醇通常埋在展开时暴露的球状蛋白质的核心中。TPE-MI 可用于测量细胞未折叠蛋白质负荷。TPE-MI 可以报告亨廷顿病诱导多能干细胞模型中的蛋白质平衡失衡，以及在形成可见聚集物之前转染突变亨廷顿外显子1的细胞。TPE-MI 还检测双氢青蒿素研究疟疾寄生虫后的蛋白质损伤。