5-Hydroxy-2-coumaranone, 2,5-Dihydroxyphenylacetic Acid γ-Lactone, 5-Hydroxybenzofuran-2(3H)-one, Homogentisic Acid γ-Lactone, HoMogentisic Acid gaMMa-Lactone, Homogentisic lactone, 2,3-Dihydro-5-hydroxybenzofuran-2-one, 2,4-DIHYDROXY-3-METHYL-BENZALDEHYDE, 2,5-Dihydroxyphenylacetic acid lactone, 2,5-Dihydroxyphenylacetic acid gama-lactone, 5-Hydroxy-2(3H)-benzofuranone