11-(3-chloro-4-fluorobenzyl)-9-methoxy-2-(2-morpholin-4-ylethyl)-3,4,5,6,12,13-hexahydro-2H[1,4]diazocino[2,1-a]-2,6-naphthyridine-1,8,10(11H)-trione

(1R,2S,5R)-8'-(3-chloro-4-fluorobenzyl)-6'-hydroxy-1-(hydroxymethyl)-2'-methyl-9',10'-dihydro-1'H-spiro[bicyclo[3.1.0]hexane-2,3'-imidazo[5,1-a][2,6]-naphthyridine]-1',5',7'(2'H,8'H)-trione

amino-[1-(3-chloro-4-fluorobenzyl)-2-oxopiperidin-(4Z)-ylidene]acetic acid ethyl ester

methanesulfonic acid (R)-4-{[6-(3-chloro-4-fluorobenzyl)-3-methanesulfonyloxy-4-methoxy-5-oxo-5,6,7,8-tetrahydro-2,6-naphthyridine-1-carbonyl]-methyl-amino}-2,2-dimethyl-3-(tetrahydropyran-2-yloxy)-butyl ester