rel-(1S,4R,5S,6R)-4,5-diacetoxy-6-((R)-5-hydroxy-1,5-dimethylhex-3-enyl)- 3-methylcyclohex-2-enyl (Z)-2-methylbut-2 -enoate
rel-(1s,4r,5s,6r)-4,5-diacetoxy-6-((r)-5-hydroxy-1,5-dimethylhex-3-enyl)- 3-methylcyclohex-2-enyl (z)-2-methylbut-2 -enoate