3-甲基-2-(3-甲基-2-丁烯基)呋喃

5-bromo-3-methylpenta-1,3-diene

3-methylpent-2-en-4-ynal

methyl (Z)-6-((methoxycarbonyl)oxy)-4-methylhex-4-en-2-ynoate

(1S,4S)-1-((Z)-5-hydroxy-3-methylpent-3-en-1-yn-1-yl)-2,6,6-trimethylcyclohex-2-ene-1,4-diol