(3S,4S,5R,6S)-5-O-benzyl-4,6-dimethyl-7-octene-3,5-diol

(2R,3R,4S)-3-(benzyloxy)-2,4-dimethyl-5-hexanal

(2S,3R,4S)-2,4-dimethyl-1-O-tritylhex-5-ene-1,3-diol

(2S,3R,4S)-3-O-benzyl-2,4-dimethyl-1-O-tritylhex-5-ene-1,3-diol

(2S,3R,4S)-2,4-dimethyl-5-hexene-1,3-diol