Hepialone

(R)-(+)-Hepialone

(R)-2-Ethyl-2,3-dihydro-6-methyl-4H-pyran-4-one

(R)-2α-Ethyl-6-methyl-2,3-dihydro-4H-pyran-4-one

(2R)-2α-Ethyl-2,3-dihydro-6-methyl-4H-pyran-4-one