2-phenylmethyl-4-hydroxy-5-(tert-butoxycarbonyl)amino-6-phenylhexanoyl-N-(1'-imidazol-2-yl)-2-'-methylpropanamide
2-phenylmethyl-4-hydroxy-5-(tert-butoxycarbonyl)amino-6-phenylhexanoyl-n-(1'-imidazol-2-yl)-2-'-methylpropanamide