(6S)-2-methyl-6-[(1S)-4-methylidene-1-cyclohex-2-enyl]hept-2-en-4-one;(6S)-2-methyl-6-[(1S)-4-methylene-1-cyclohex-2-enyl]hept-2-en-4-one
(6S)-2-methyl-6-[(1S)-4-methylidene-1-cyclohex-2-enyl]hept-2-en-4-one