(S)-2-{[2-(4,5-Dichloro-6-methoxy-1,3-dioxo-2-phenyl-indan-2-yl)-ethyl]-methyl-amino}-propionic acid tert-butyl ester

2-({2-[4,5-Dichloro-2-(4-fluoro-phenyl)-6-methoxy-1,3-dioxo-indan-2-yl]-ethyl}-methyl-amino)-2-methyl-propionic acid methyl ester

(R)-2-[2-(4,5-Dichloro-6-methoxy-1,3-dioxo-2-phenyl-indan-2-yl)-ethylamino]-propionic acid tert-butyl ester

(S)-2-[2-(4,5-Dichloro-6-methoxy-1,3-dioxo-2-phenyl-indan-2-yl)-ethylamino]-propionic acid tert-butyl ester

2-{2-[4,5-Dichloro-2-(4-fluoro-phenyl)-6-methoxy-1,3-dioxo-indan-2-yl]-ethylamino}-2-methyl-propionic acid methyl ester