8-hydroxy-4-methyl-4,6-nonadienenitrile

2,6,6-三甲基环己-2-烯-1-甲醇

硫酸

4t-(2,6,6-trimethyl-cyclohex-1-enyl)-but-3-en-2-one semicarbazone

2,5,5,8a-tetramethyl-6,7,8,8a-tetrahydro-5H-chromene