N-hexanoyl-L-Homoserine lactone, a small diffusible signaling molecule, is involved in controlling gene expression, affecting cellular metabolism, and quorum sensing.

Mitoquidone, a novel pentacyclic pyrroloquinone, is a potential anticancer agent. Mitoquidone showed good activity in a range of experimental solid tumour models and did not exhibit significant cytotoxicity.

Harmalol hydrochloride is a β-carboline alkaloid that can be extracted from the seeds of Peganum harmala L. Harmalol hydrochloride is the major metabolite of Harmaline and significantly inhibits dioxin-mediated induction of CYP1A1 at both transcriptional and post-translational levels.