ly-215,840 ly-215,840 ly-215,840 is an ergoline derivative drug developed by eli lilly, which acts as a potent and selective antagonist at the serotonin 5-ht2 and 5-ht7 receptors. it has anti-hypertensive and muscle relaxant effects in animal studies. ly-215,840identifiers iupac name (6ar,9r,10ar)-n-((1s,2r)-2-hydroxycyclopentyl)-4-isopropyl-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindoloquinoline-9-carboxamide cas number137328-52-0 ypubchem cid9822062iuphar/bps180chemspider7997811uniid2g5u4p5b3comptox dashboard (epa)dtxsid20929769 chemical and physical dataformulac24h33n3o2molar mass395.547 g·mol−13d model (jsmol)interactive image smiles cn1(2()c(c(n3(o)ccc3)=o)c1)()cc4=cn(c(c)c)c5=cc=cc2=c54 inchi inchi=1s/c24h33n3o2/c1-14(2)27-13-15-11-21-18(17-6-4-8-20(27)23(15)17)10-16(12-26(21)3)24(29)25-19-7-5-9-22(19)28/h4,6,8,13-14,16,18-19,21-22,28h,5,7,9-12h2,1-3h3,(h,25,29)/t16-,18-,19+,21-,22-/m1/s1key:imsdobuydtvehn-ilmfxrjhsa-n