[3-(2-tert-butoxycarbonylamino-ethyl)-2,4-dioxo-3,4-dihydro-2H-quinazolin-1-yl]-acetic acid

[3-{2-[(tert-Butoxycarbonyl)amino]ethyl}-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]acetic acid