Dihydrophaseic acid

(2Z,4E)-3-Methyl-5-[(1S)-1α-hydroxy-2α,6α-(epoxymethano)-2,6-dimethyl-4β-hydroxycyclohexane-1-yl]-2,4-pentadienoic acid

(2Z,4E)-3-Methyl-5-[(1S)-1α-hydroxy-2,6-dimethyl-2α,6α-(epoxymethano)-4β-hydroxycyclohexane-1-yl]-2,4-pentadienoic acid