[(Benzyl-phenyl-carbamoyl)-diazo-methyl]-phosphonic acid diethyl ester

[(benzyl-phenyl-carbamoyl)-methyl]-phosphonic acid diethyl ester

(Benzyl-phenyl-carbamoyl)-propynoic acid

But-2-ynedioic acid benzyl-[2-(tert-butyl-dimethyl-silanyloxy)-phenyl]-amide benzyl-phenyl-amide

Trifluoro-methanesulfonic acid 2-{benzyl-[2-(benzyl-phenyl-carbamoyl)-cyclohexa-1,4-dienecarbonyl]-amino}-phenyl ester