1 4RT (1r,2s,5r)-8'-(3-chloro-4-fluorobenzyl)-6'-hydroxy-1-(hydroxymethyl)-2'-methyl-9',10'-dihydro-2'H-spiro[bicyclo[3.1.0]hexane-2,3'-imidazo[5,1-a][2,6]naphthyridine]-1',5',7'(8'H)-trione 1.000 2 X2P (1r,2r,5s)-8'-(3-chloro-4-fluorobenzyl)-6'-hydroxy-2'-[(2s)-2-hydroxypropyl]-9',10'-dihydro-2'H-spiro[bicyclo[3.1.0]hexane-2,3'-imidazo[5,1-a][2,6]naphthyridine]-1',5',7'(8'H)-trione 0.865 3 8G4 (1s,2s,5r)-8'-[(3-chloro-4-fluorophenyl)methyl]-2'-[2-(2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)ethyl]-6'-hydroxy-9',10'-dihydro-2'H-spiro[bicyclo[3.1.0]hexane-2,3'-imidazo[5,1-a][2,6]naphthyridine]-1',5',7'(8'H)-trione 0.762 4 8G1 (3r)-8-[(3-chloro-4-fluorophenyl)methyl]-6-hydroxy-1,5,7-trioxo-1,2',3',5,7,8,9,10-octahydro-2h-spiro[imidazo[5,1-a][2,6]naphthyridine-3,1'-indene]-7'-carbonitrile 0.750