(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.

Fz7-21 TFA ((Ac)-LPSDDLEFWCHVMY-NH2 TFA), a peptide antagonist of Frizzled 7 (FZD 7) receptors, selectively binds to FZD7 CRD subclass. The EC50 values are 58 and 34 nM for human and mouse FZD7 CRD, respectively.

CX-6258 HCl is an effective, orally efficacious Pim1/2/3 kinase inhibitor (IC50: 5/25/16 nM).