3'-Deoxyguanosine is a ligand that can be complexed with enzymes such as purine nucleoside phosphorylase and receptors.

Galanin (1-19), human is the 1-19 fragment of the human galanin. Galanin (GAL) is a widely distributed neuropeptide with diverse biological effectsincluding modulation of hormone release, antinociception and modification of feeding behavior.

(R)-Nepicastat HCl, the R-enantiomer of Nepicastat HCl, is a potent and selective inhibitor with IC50 of 25.1 nM and 18.3 nM for bovine and human dopamine-β-hydroxylase, with negligible affinity for twelve other enzymes and thirteen neurotransmitter receptors.