110516-60-4 2(or 5)-Ethyl-4-hydroxy-5(or 2)-methyl-3(2H)-furanone 3(2H)-Furanone, 2(or 5)-ethyl-4-hydroxy-5(or 2)-methyl- 4-Hydroxy-2(or 5)-ethyl-5(or 2)-methyl-3(2H)-furanone