9b-(2-Chlorphenyl)-2,2-dimethyl-8-nitro-2,3,3a,9b-tetrahydro-5H-oxazolo<4,5-c>chinolin-4-on
2-aminoacetylaminoacetylamino-5-nitro-2'-chlorobenzophenone
5-(2-chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one
3-Amino-4-(2-chlorphenyl)-6-nitro-2(1H)-chinolinon
2-(N-t-boc-aminoacetylamino-acetylamino)-5-nitro-2'-chlorobenzophenone