2-ethyl-3-hydroxy-4H-pyran-4-one-D5;2-Ethyl-3-hydroxy-4-pyrone-d5; 2-Ethyl-3-hydroxy-4H-pyran-4-one; 2-Ethylpyromeconic Acid-d5; 3-Hydroxy-2-ethyl-1,4-pyrone-d5; 3-Hydroxy-2-ethyl-4-pyrone-d5; 3-Hydroxy-2-ethyl-?-pyrone-d5; Veltol Plus-d5;Ethyl Maltol-d5
