1-(4-Carboxy-2-methylpentanoyl)-2,3-dihydroindole-2-carboxylic acid 1H-Indole-1-pentanoic acid, 2-carboxy-2,3-dihydro-alpha,gamma-dimethyl-delta-oxo-, (2S-(1(alphaS*,gammaS*),2R*))- 82950-75-2 Cgs 13934 Cgs-13934