Methyl (2R,3S)-2-methyl-3-benzyloxy-4-oxobutanoate

(2S,3S)-3-Methyl-2-(1-methoxy-1-methylethoxy)-1,4-butandiol

(2S,4S,5R)-4-methyl-5-phenyl-2-propyl-3-tosyloxazolidine

(2S,3S)-erythro-3-methylbutane-1,2,4-triol 2-THP ether

diethyl (2S,3R)-erythro-3-methylmalate THP ether