N,N-diallyl-O-tert-butyl-L-tyrosyl-α-aminoisobutyryl-α-aminoisobutyryl-L-p-aminophenylalanyl-L-leucine tert-butyl ester

N,N-diallyl-O-tert-butyl-L-tyrosyl-α-aminoisobutyryl-α-aminoisobutyryl-L-p-isothiocyanatophenylalanyl-L-leucine tert-butyl ester

N,N-diallyl-O-tert-butyl-L-tyrosyl-α-aminoisobutyryl-α-aminoisobutyryl-L-p-bromoacetamidophenylalanyl-L-leucine tert-butyl ester

N,N-diallyl-O-tert-butyl-L-tyrosyl-α-aminoisobutyryl-α-aminoisobutyryl-L-p-amino(9-fluorenylmethoxycarbonyl)phenylalanyl-L-leucine tert-butyl ester

N,N-diallyltyrosyl-α-aminoisobutyryl-α-aminoisobutyrylmelphalanylleucine