150897-91-9 1H-Indole-3-butanoic acid, 2,3-dihydro-2-oxo-1-phenyl-3-(4-pyridinylmethyl)-, ethyl ester, monohydrochloride, (-)- 2,3-Dihydro-2-oxo-1-phenyl-3-(4-pyridinylmethyl)-1H-indole-3-butanoic acid ethyl ester 2,3-Dppib Ethyl (-)-2-oxo-1-phenyl-3-(4-pyridinylmethyl)-2,3-dihydro-1H-indole-3-butanoate monohydrochloride