N-methyl-N-[2-(6-oxocyclohex-1-enyl)ethyl]-2,4-dinitrobenzenesulfonamide

N-[2-(5-acetoxy-6-oxocyclohex-1-enyl)ethyl]-N-methyl-2,4-dinitrobenzenesulfonamide

N-[2-((5R,6S)-5-(tert-butyldimethylsilyloxy)-6-hydroxycyclohex-1-enyl)ethyl]-N-methyl-2,4-dinitrobenzenesulfonamide

N-[2-((5R,6R)-5-(tert-butyldimethylsilyloxy)-6-(3-(2,2-dimethoxyethyl)-2-iodo-6-methoxyphenoxy)cyclohex-1-enyl)]-N-methyl-2,4-dinitrobenzenesulfonamide

N-[2-((R)-5-(tert-butyldimethylsilyloxy)-6-oxocyclohex-1-enyl)ethyl]-N-methyl-2,4-dinitrobenzenesulfonamide