necopidem necopidem necopidem is a drug in the imidazopyridine family, which is related to the better known drugs zolpidem and alpidem. it is therefore considered a nonbenzodiazepine and as such may have sedative and anxiolytic effects, given its structural similarity to other nonbenzodiazepine hypnotics. necopidemclinical dataatc codenoneidentifiers iupac name n-(pyridin-3-yl]methyl)-n,3-dimethylbutanamide cas number103844-77-5 ypubchem cid3047786chemspider2310104 yuniig4n2f166mnchemblchembl2105143comptox dashboard (epa)dtxsid50146109 chemical and physical dataformulac23h29n3omolar mass363.505 g·mol−13d model (jsmol)interactive image smiles o=c(n(c)cc1c(nc2ccc(cn12)c)c3ccc(cc3)cc)cc(c)c inchi inchi=1s/c23h29n3o/c1-6-18-8-10-19(11-9-18)23-20(15-25(5)22(27)13-16(2)3)26-14-17(4)7-12-21(26)24-23/h7-12,14,16h,6,13,15h2,1-5h3 ykey:yrmluagkhyadkj-uhfffaoysa-n y (verify)