L-Tryptophan-13C11

L-Tryptophan-13C11,15N2

methyl (2S)-3-(1H-indol-3-yl)-2-[[(2S)-4-methyl-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoate

(2S)-2-[[(2S)-2-[[2-[(2-aminoacetyl)amino]acetyl]amino]-3-methylbutanoyl]amino]-3-(1H-indol-3-yl)propanoic acid

(2S)-2-[[(2S)-3-(1H-imidazol-5-yl)-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoic acid

(2S)-2-[[2-[[2-[[2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]acetyl]amino]acetyl]amino]acetyl]amino]-3-(1H-indol-3-yl)propanoic acid

(2S)-2-[[(2S)-5-(diaminomethylideneamino)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2,5-diamino-5-oxopentanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]pentanoyl]amino]-3-(1H-indol-3-yl)propanoic acid

2-(2-(Difluoromethyl)-6-hydroxy-3-methoxypyridin-4-yl)acetic acid

(2-Bromo-3-(difluoromethyl)-6-fluoropyridin-4-yl)methanol

6-Bromo-3-(trifluoromethyl)pyridin-2-amine

6-Chloro-5-(difluoromethyl)-3-fluoropicolinic acid

(2-Methyl-5H-pyrrolo[2,3-b]pyrazin-7-yl)methanamine

2-(6-Bromo-4-(difluoromethyl)-5-(trifluoromethyl)pyridin-2-yl)acetonitrile

2-(6-Bromo-5-(difluoromethyl)-4-methoxypyridin-3-yl)acetonitrile

6-Bromo-2-(difluoromethyl)-5-methoxynicotinonitrile

2-Amino-3-(difluoromethyl)isonicotinonitrile

2-(6-Chloro-2-(difluoromethyl)-5-nitropyridin-3-yl)acetonitrile