3-甲基-2-丁酮

惕各酸甲酯

methyl 2-methyl-7-phenylhepta-2,4,6-trienoate

2-methyl-1,1-bis(methylsulfanyl)-5-phenylpenta-1,4-dien-3-one

5,5-bis(methylthio)-4-methyl-2,4-pentadienal