6-bromo-2-methylhept-6-en-3-yn-2-ol

2-甲基-3-氧代-2-丁烷基乙酸酯

2-methyl-4-(4-phenylmethoxyphenyl)but-3-yn-2-ol

2,2,5-trimethylfuran-3-one

5,5-dimethyl-4-phenylsulfanylfuran-2-one