4-cyano-4-dimethylamino-3,3,6-trimethylhepta-1,6-diene

3-甲基巴豆酰氯

6-hydroxy-2,5,5-trimethyl-1-hepten-4-one

2,5,5-trimethyl-4,4-bis-methylsulfanyl-hepta-1,6-diene

3-methyl-but-3-enedithioic acid methyl ester