(2E,4S)-1-benzyloxy-4-methyl-7-(triphenylmethyl)oxyhept-2-ene

(S)-3-methyl-6-(triphenylmethyl)oxyhex-1-ene

(S)-(+)-溴化香茅酯

(S)-2-Methyl-5-trityloxy-pentanal

(S)-1-bromo-3-methyl-6-(triphenylmethyl)oxyhexane