2-{3,5-dioxo-4-azatricyclo[5.2.1.0,2,6]dec-8-en-4-yl}-3-(1H-imidazol-5-yl)propanoic acid 1g

2-{3,5-dioxo-4-azatricyclo[5.2.1.0,2,6]dec-8-en-4-yl}-3-(1H-imidazol-5-yl)propanoic acid 1g