3-Benzyl-N-{2-chloro-5-[4-(2,4-di-tert-pentylphenoxy)-butyramido]-phenyl}-A

N-[5-[[4-[2,4-bis(1,1-dimethylpropyl)phenoxy]-1-oxobutyl]amino]-2-chlorophenyl]-.alpha.-(2,2-dimeth1-Imidazolidineacetamide

N-[2-Chloro-5-[4-(2,4-di-tert-pentylphenoxy)butyrylamino]phenyl]-2-(3-benzyl-2,5-dioxo-1-imidazolidinyl)-4,4-dimethyl-3-oxopentanamide

N-[5-[[4-[2,4-Bis(1,1-dimethylpropyl)phenoxy]-1-oxobutyl]amino]-2-chlorophenyl]-α-(2,2-dimethyl-1-oxopropyl)-2,5-dioxo-3-(phenylmethyl)-1-imidazolidineacetamide