(E)-5-amino-N,5-dimethyl-N-((R)-1-(methyl((R)-1-(methylamino)-1-oxo-3-phenylpropan-2-yl)amino)-3-(naphthalen-2-yl)-1-oxopropan-2-yl)hex-2-enamide; N-(5-Amino-5-methyl-2-hexenoyl)-N-methyl-3-(2-naphthyl)-D-Ala-N-methyl-D-Phe-NHMe; (2E)-5-Amino-5-methylhex-2-enoic acid N-methyl-N-((1R)-1-(N-methyl-N-((1R)-1-(methylcarbamoyl)-2-phenylethyl)carbamoyl)-2-(2-naphthyl)ethyl)amide