1H-pyrrolo[2,1-a]isoindole-3-propanoic acid, 2,3,5,9b-tetrahydro-9b-hydroxy-1-(methoxycarbonyl)-5-oxo-, (1S,9bS)- InChI=1/C16H17NO6/c1-23-15(21)12-8-9(6-7-13(18)19)17-14(20)10-4-2-3-5-11(10)16(12,17)22/h2-5,9,12,22H,6-8H2,1H3,(H,18,19)/t9?,12-,16-/m1/s rel-3-[(1R,9bR)-9b-hydroxy-1-(methoxycarbonyl)-5-oxo-2,3,5,9b-tetrahydro-1H-pyrrolo[2,1-a]isoindol-3-yl]propanoic acid