| p-((p-chlorophenyl)sulfonyl)-carbanilic aci m-nitrophenyl ester |
| n-(4-(4'-chlorophenylsulfonyl)phenyl)-m-nitrophenyl-urethane |
| p-((p-chlorophenyl)sulfonyl)carbanilic acid m-nitrophenyl ester |
| p-((p-chlorophenyl)sulfonyl)-carbanilic acim-nitrophenyl ester |