4 acetoxy 2 5 dimethyl 3 2h furanone July 8, 2019 16 32 64 128 2 5-dimethyl 4-ethoxy 3(2h)-furanone 2 5-furandione 3-(1 1-dimethylethyl)- 2 5-dimethyl-4-methoxy-3(2h)-furanone 2 5-dimethyl-4-hydroxy-3(2h)-furanone
