L-Alaninamide, N6-((5-((4-amino-1,4-dioxobutyl)amino)-2,3-dihydro-8,9-dihydroxy-1H-pyrimido(1,2-a)quinolin-1-yl)carbonyl)-L-lysyl-threo-3-hydroxy-D-alpha-aspartyl-L-alanyl-D-allothreonyl-N-(1-hydroxy-2-oxo-3-piperidinyl)-, (1(S),5(R))-