3-methyl-5-tributylstannylpenta-2,4-dien-1-ol

β-紫罗兰酮

(e)-3-methyl-2-(2',6',6'-trimethylcyclohexenyl)-penta-1,3-diene

3-methyl-5t-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2t,4-dienoic acid methyl ester