ab-fubica ab-fubica ab-fubica is a drug that acts as a potent agonist for the cannabinoid receptors, with ec50 values of 21 nm at cb1 and 15 nm at cb2. ab-fubicalegal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: class b identifiers iupac name n--1--1h-indole-3-carboxamide cas number1801338-22-6 ychemspider57427397uniiu6sue53vvychemical and physical dataformulac21h22fn3o2molar mass367.424 g·mol−13d model (jsmol)interactive image smiles o=c(n(c(n)=o)c(c)c)c1=cn(cc2=cc=c(f)c=c2)c3=cc=cc=c31 inchi inchi=1s/c21h22fn3o2/c1-13(2)19(20(23)26)24-21(27)17-12-25(18-6-4-3-5-16(17)18)11-14-7-9-15(22)10-8-14/h3-10,12-13,19h,11h2,1-2h3,(h2,23,26)(h,24,27)/t19-/m0/s1key:ktvpqjskkgziea-ibgzpjmesa-n