6-azabicyclo[3.2.1]oct-3-ene-5-carboxylic acid, 2-chloro-6-(1H-indol-3-ylacetyl)-, methyl ester, (1S,2R,5S)- InChI=1/C19H19ClN2O3/c1-25-18(24)19-7-6-15(20)13(9-19)11-22(19)17(23)8-12-10-21-16-5-3-2-4-14(12)16/h2-7,10,13,15,21H,8-9,11H2,1H3/t13-,15+,19+/m0/s methyl rel-(1R,2S,5R)-2-chloro-6-(1H-indol-3-ylacetyl)-6-azabicyclo[3.2.1]oct-3-ene-5-carboxylate