(2R,3S,4S,5R,6S)-2-((((benzyloxy)(((benzyloxy)(hydroxy)phosphoryl)methyl)phosphoryl)oxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate

(S)-2-Benzyloxycarbonylamino-5-[(R)-1-((1R,2S)-1-benzyloxycarbonyl-2-methoxy-propylcarbamoyl)-2-benzylsulfanyl-ethylcarbamoyl]-pentanoic acid benzyl ester

(2R,3R)-2-Amino-3-methoxy-butyric acid benzyl ester

(2R,3R)-2-Benzyloxycarbonylamino-3-hydroxy-butyric acid benzyl ester

(2R,3R)-2-Benzyloxycarbonylamino-3-methoxy-butyric acid benzyl ester