Procyanidin C2 是一种来源于 Fagopyrum dibotrys (D. Don) Hara的酚苷。

(2R,3S,11bS)-9,10-dimethoxy-3-(2-methylpropyl)-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-ol is an impurity of Tetrabenazine, which is a VMAT inhibitor used in the treatment of hyperkinetic movement disorder.

GSK2850163 S enantiomer 是 GSK2850163 的无活性对映体。GSK2850163 是一种肌醇需求酶-1α (IRE1a) 抑制剂。