cumyl-ch-megaclone cumyl-ch-megaclone cumyl-ch-megaclone (cumyl-chmgaclone, sgt-270) is a gamma-carboline based synthetic cannabinoid receptor agonist that has been sold as a designer drug, first being identified in hungary in december 2018. cumyl-ch-megaclonelegal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: under psychoactive substances act identifiers iupac name 2,5-dihydro-2-(1-methyl-1-phenylethyl)-5-(cyclohexylmethyl)-1h-pyridoindol-1-one pubchem cid155884822chemspider97091815unii9qa3am2g3tchemical and physical dataformulac27h30n2omolar mass398.54 g·mol−13d model (jsmol)interactive image smiles cc(c)(c1=cc=cc=c1)n2c=cc3=c(c2=o)c4=cc=cc=c4n3cc5ccccc5 inchi inchi=1s/c27h30n2o/c1-27(2,21-13-7-4-8-14-21)29-18-17-24-25(26(29)30)22-15-9-10-16-23(22)28(24)19-20-11-5-3-6-12-20/h4,7-10,13-18,20h,3,5-6,11-12,19h2,1-2h3key:cghcgyctolwapl-uhfffaoysa-n