氢溴酸

(1S,2R,4R)-1-isopropyl-4-methyl-2-(3-methylbut-2-en-1-yloxy)cyclohexane

3-hydroxy-2-(3-methylbut-2-enyl)cyclohex-2-enone

prenylmagnesium bromide

4-hydroxy-3-methoxy-5-(3-methylbut-2-en-1-yl)benzaldehyde