CP94253 hydrochloride is a potent, selective and centrally active agonist of 5-HT1B receptor with Ki of 2 nM. The Kis are 89, 49, 860, and 1600 nM for 5-HT1A, 5-HT1D, 5-HT1C and 5-HT2 receptors, respectively.

Autocamtide-2 is a highly selective peptide substrate for calcium/calmodulin-dependent protein kinase II (CaMKII), which belongs to the CAMK Ser/Thr protein kinase family.

Deoxylimonin is a triterpenoid isolated from grapefruit seeds.