114273-59-5
2,2-dimethyl-4-(3-methyl-5-oxo-2,5-dihydrofuran-2-yl)butanal
→
106221-46-9
5-((4E,6Z)-7-methoxy-3,3-dimethylhepta-4,6-dien-1-yl)-4-methylfuran-2(5H)-one