Lovastatin is a cell-permeable HMG-CoA reductase inhibitor.

Xanthotoxin is a furanocoumarin compound and a cytochrome P450 inhibitor.

Scopolamine hydrobromide is a high-affinity muscarinic antagonist that can cross the blood-brain barrier.

Digoxin is a potent inhibitor of Na+/K+-ATPase.

Cytisine is an alkaloid and a partial agonist of α4β2 nAChRs, with partial to full agonism at β4-containing receptors and α7 receptors.

Eupatilin, a lipophilic flavonoid, is a PPARα agonist.

Vinorelbine ditartrate is an anti-mitotic agent which inhibits the proliferation of Hela cells.

Thapsigargin, an endoplasmic reticulum (ER) stress inducer, is a microsomal Ca2+-ATPase inhibitor.

Vinblastine sulfate is a cytotoxic alkaloid that inhibits the formation of microtubule and suppresses nAChR.

Scopolamine butylbromide is an active cholinergic receptor antagonist that binds with high affinity to M2 and M3 muscarinic receptors.

Lappaconitine hydrobromide is a C19-diterpenoid alkaloid hydrobromide salt. It acts as a voltage-gated sodium channel (Nav1.5, Nav1.7) blocker.

Vincristine sulfate is a microtubule inhibitor that binds β-tubulin and disrupts microtubule polymerization.

Boldine is an apomorphine isoquinoline alkaloid.

Scopolamine hydrochloride is a high-affinity muscarinic antagonist that can cross the blood-brain barrier.

Resiniferatoxin is a selective agonist of the transient receptor potential vanilloid 1 (TRPV1) receptor.

Hypericin Sodium exhibits good water dispersibility and solubility in organic solvents. It is a potent photosensitizer. Hypericin sodium also acts as an inhibitor of various enzymes including monoamine oxidase (MAO), protein kinase C (PKC), and reverse transcriptase.