2-amino-3-(3,5-dibromo-4-(4-hydroxy-3-(6-oxo-1,6-dihydro-pyridazin-3-ylmethyl)-phenoxyl)-phenyl)-propionic acid
2-amino-3-(3,5-dibromo-4-(4-hydroxy-3-(6-oxo-1,6-dihydro-pyridazin-3-ylmethyl)-phenoxyl)-phenyl)-propionic acid