nbump nbump nbump is a highly selective 5-ht1a receptor partial agonist (ki = 0.1 nm; ia = 40%) with an arylpiperazine structure. it is one of the highest affinity ligands for the 5-ht1a receptor known. it displays 460- and 260-fold selectivity for 5-ht1a over the α1-adrenergic and d2 receptors, respectively. nbumpclinical dataatc codenoneidentifiers iupac name n-butyl]adamantane-1-carboxamide cas number134390-72-0 ypubchem cid64622chemspider58183uniig184wxo36jchemical and physical dataformulac26h39n3o2molar mass425.617 g·mol−13d model (jsmol)interactive image smiles coc1ccccc1n2ccn(cc2)ccccnc(=o)c34cc5cc(c3)cc(c5)c4 inchi inchi=1s/c26h39n3o2/c1-31-24-7-3-2-6-23(24)29-12-10-28(11-13-29)9-5-4-8-27-25(30)26-17-20-14-21(18-26)16-22(15-20)19-26/h2-3,6-7,20-22h,4-5,8-19h2,1h3,(h,27,30)key:przpxkixnnnncd-uhfffaoysa-n (verify)