(2S)-2-[[(2S)-2-amino-3-hydroxypropanoyl]amino]-3-(3H-imidazol-4-yl)propanoic acid (2S)-2-[[(2S)-2-amino-3-hydroxy-propanoyl]amino]-3-(3H-imidazol-4-yl)propanoic acid (2S)-2-[[(2S)-2-amino-3-hydroxy-1-oxopropyl]amino]-3-(3H-imidazol-4-yl)propanoic acid (2S)-2-[[(2S)-2-amino-3-hydroxy-propanoyl]amino]-3-(3H-imidazol-4-yl)propionic acid (2S)-2-[[(2S)-2-azaniumyl-3-hydroxypropanoyl]amino]-3-(3H-imidazol-4-yl)propanoate (2S)-2-[[(2S)-2-azaniumyl-3-hydroxy-propanoyl]amino]-3-(3H-imidazol-4-yl)propanoate (2S)-2-[[(2S)-2-ammonio-3-hydroxy-1-oxopropyl]amino]-3-(3H-imidazol-4-yl)propanoate (2S)-2-[[(2S)-2-ammonio-3-hydroxy-propanoyl]amino]-3-(3H-imidazol-4-yl)propionate ZINC02522642