(R)-3-Bromo-2,2,4-trimethyl-5-oxo-cyclohex-3-enecarboxylic acid ((R)-1-phenyl-ethyl)-amide

(-)-N-(α-methylbenzyl)-3-bromo-2,2,4-trimethylcyclohex-3-ene-4-one carboxamide

(R)-3-bromo-2,2,4-trimethyl-N-nitroso-5-oxo-N-((R)-1-phenylethyl)cyclohex-3-ene-1-carboxamide