(2R,3R,4R)-2,4-Bis-benzyloxy-3-methyl-pentanal

(3aR,5R,6R,6aR)-2,2,5,6-tetramethyl-tetrahydrofuro[2,3-d][1,3]dioxole

2,4-di-O-benzyl-3,5-dideoxy-3-methyl-D-ribonic acid

2,4-di-O-benzyl-3,5-dideoxy-3-methyl-D-ribose diethyl dithioacetal

(S)-3-Benzyloxy-2-((2R,3R,4R)-2,4-bis-benzyloxy-3-methyl-pentanoylamino)-2-methyl-propionic acid