1-ethyl 3-methyl rel-(1R,3S,9bS)-9b-hydroxy-3-methyl-5-oxo-2,3,5,9b-tetrahydro-1H-pyrrolo[2,1-a]isoindole-1,3-dicarboxylate 1H-pyrrolo[2,1-a]isoindole-1,3-dicarboxylic acid, 2,3,5,9b-tetrahydro-9b-hydroxy-3-methyl-5-oxo-, 1-ethyl 3-methyl ester, (1R,3S,9bS)- InChI=1/C17H19NO6/c1-4-24-14(20)12-9-16(2,15(21)23-3)18-13(19)10-7-5-6-8-11(10)17(12,18)22/h5-8,12,22H,4,9H2,1-3H3/t12-,16-,17+/m0/s