(4R,5S)-2-benzyl-5-[(tert-butoxycarbonyl)amino]-6-phenylhex-1-en-4-ol

tert-butyl (2S,3S)-3-hydroxy-5-methylene-1,6-diphenylhexan-2-ylcarbamate

(3S,5S)-3-benzyl-5-{(1S)-1-[(tert-butoxycarbonyl)amino]-2-phenylethyl}dihydrofuran-2-(3H)-one

(4R,5S)-3-benzyl-5-{(1S)-1-[(tert-butoxycarbonyl)amino]-2-phenylethyl}dihydrofuran-2-(3H)-one

(2R,4R,5S)-2-Benzyl-5-(tert-butoxycarbonyl)amino-4-hydroxy-6-phenylhexanoic acid