(Z)-2-Benzoylamino-3-(4,5,6,7-tetrafluoro-1H-indol-3-yl)-acrylic acid methyl ester
1-tosyl-3-acetoxymethyl-4,5,6,7-tetrafluoroindole
2-phenyl-4-<(1-acetyl-4,5,6,7-tetrafluoroindolyl)methylidene>-5-oxazolone
methyl (Z)-2-benzamido-3-(4,5,6,7-tetrafluoroindolyl)-2-propenoate
N-benzoyl-4,5,6,7-tetrafluorotryptophan methyl ester