label: 2-tert-butoxycarbonylamino-3-(4-(2-(2-hydroxyethyl)-5-methoxy-3-oxo-2,3-dihydropyridazin-4-yl)phenyl)propionic acid 2-hydroxyethyl ester
label_lc: 2-tert-butoxycarbonylamino-3-(4-(2-(2-hydroxyethyl)-5-methoxy-3-oxo-2,3-dihydropyridazin-4-yl)phenyl)propionic acid 2-hydroxyethyl ester