(R)-Nepicastat HCl
(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-?-hydroxylase, with negligible affinity for twelve other enzymes and thirteen neurotransmitter receptors.