SEARCH Articles Figures Tables 1-Ethyl-2-methyl-5-hydroxy 3 -Furanon 3- Ethyl-5-hydroxy 4-Hydroxy-5-methyl-3 -furanone 5-Ethyl-4-hydroxy-2-methyl-3 -furanon 5-Ethyl-4-hydroxy-2-methyl-3 -furanon Furanone 5-methyl Hydroxy ethylation