2-羟基-2-(三氟甲基)-4-甲基-4-戊酸乙酯

2-chloro-5-methylhexa-1,5-diene

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

6-hydroxy-2,5,5-trimethylhept-2-en-4-one

4-methylpent-4-enylbenzene