GTPγS tetralithium (Guanosine 5'-[γ-thio]triphosphate tetralithium) is a G-protein activator, a non-hydrolyzable GTP analog that protects proteins from proteolytic degradation.

Scabertopin has a significant antitumor effect in vitro in a concentration-dependent manner. It is isolated from the whole plant of Elephantopus scaber.

FFN 102 mesylate is a pH responsive fluorescent false neurotransmitter (FFN), a selective dopamine transporter (DAT) and VMAT2 substrate. Exhibits no significant binding to a panel of 38 CNS receptors, including dopamine and serotonin receptors.