5-Hydroxyindole 是一种羟基化的吲哚，存在于许多药理活性剂和天然产物中。5-Hydroxyindole 可减缓 N1E-115 神经母细胞瘤细胞中 5-HT3 受体介导的离子电流的脱敏。

N-[2-nitro-4-(trifluoromethyl)phenyl]piperazine is a biologically active compound belonging to the piperazine group. It is an important synthetic intermediate used in the preparation of a wide range of drugs, agrochemicals and other chemicals. It is considered an inhibitor of certain enzymes involved in drug metabolism, such as cytochrome P450 enzymes, and has also been shown to have anti-inflammatory and antitumor effects.

Moschamine is a very potent compound that is able to inhibit COX-I by 58% and COX-II by 54%, at the concentration of 0.1 μmol L⁻1, it may suppress cAMP formation via binding to 5-HT1 receptors in the cells. Moschamine exerts antitumour effects on HeLa, MCF7 and A431 cells.