7-fluoro-8a-methyl-3,4,7,8-tetrahydro-2H-naphthalene-1,6-dione

2-(2-fluoro-3-oxobutyl)-2-methylcyclohexane-1,3-dione

2-methyl-3-trimethylsilyloxycyclohex-2-en-1-one

5,8a-二甲基-3,4,8,8a-四氢-1,6-(2H,7H)-萘二酮

(S)-5,8alpha-二甲基-3,4,8,8alpha-四氢-2H,7H-萘-1,6-二酮