Almorexant HCl is an orally active, dual orexin receptor antagonist with IC50 of 6.6 nM and 3.4 nM for OX1 and OX2 receptor, respectively.

Synephrine, a natural protoalkaloid in the extract of bitter orange and other citrus species, is commonly used for weight loss.

Phenoxybenzamine HCl is a non-specific, irreversible alpha antagonist with an IC50 of 550 nM.

Epinephrine bitartrate is an alpha- and beta-adrenergic receptor stimulator.

Noradrenaline bitartrate monohydrate is a direct alpha-adrenergic receptors stimulator.

NPS-2143 is a novel potent and selective antagonist of Ca(2+) receptor with IC50 of 43 nM.

GW842166X is a potent and highly selective agonist of cannabinoid receptor CB2 receptor with EC50 of 63 nM, shows no significant activity at CB1 receptor.

Istradefylline is a selective adenosine A2A receptor (A2AR) antagonist with Ki of 2.2 nM.