Synonyms: 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-a-aspartyl-L-alanyl-D-allothreonyl-N-(1-hydroxy-2-oxo-3-piperidinyl)-,[1(S),5(R)]-; 1H-Pyrimido[1,2-a]quinoline, L-alaninamide deriv.; Pseudobactin