<2R*-<2α(1S*,2S*,3S*),3β,5β,6β>>-5,6-dimethyl-3-hydroxy-6-methoxy-2-(1,3-dimethyl-2-hydroxyhex-4-ynyl)tetrahydro-2H-pyran

<2R*-<2α(1S*,2S*,3S*),5α,6β>>-5,6-dimethyl-6-methoxy-3-oxo-2-(acetoxy-1,3-dimethylhex-4-ynyl)tetrahydro-2H-pyran

<2R*-<2α(1S*,2S*,3S*),5β,6β>>-5,6-dimethyl-6-methoxy-3-oxo-2-(acetoxy-1,3-dimethylhex-4-ynyl)tetrahydro-2H-pyran