Synonyms: 2-Butenoicacid, 2-methyl-,dodecahydro-10,15-dihydroxy-11-oxo-7,14-methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocin-2-ylester, [2S-[2a(Z),7b,7ab,10b,14b,14aa,15S*]]-;7,14-Methano-2H,6H-dipyrido[1,2-a:1',2'-e][1,5]diazocine, 2-butenoic acid deriv.;(+)-Pearsonine; Pearsonine