aspyrone

(5S,6R)-5,6-Dihydro-5-hydroxy-6-methyl-3-[(2S,3S)-3-methyloxiranyl]-2H-pyran-2-one

(5S)-5,6-Dihydro-5α-hydroxy-6β-methyl-3-[(2S,3S)-3-methyloxiran-2-yl]-2H-pyran-2-one