IUPAC: methyl (1'R,3R,4'aS,5'aR,10'aR)-1'-methyl-2-oxo-1,1',2,4'a,5',5'a,7',8',10',10'a-decahydrospiro[indole-3,6'-pyrano[3,4-f]indolizine]-4'-carboxylate

SMILES: COC(=O)C1=CO[C@H](C)[C@H]2CN3CC[C@@]4([C@H]3C[C@H]12)C(=O)Nc1ccccc41 |t:4|