82304-99-2 InChI=1/C10H10O4/c1-2-14-10(13)7-3-4-9(12)8(5-7)6-11/h3-6,12H,2H2,1H benzoic acid, 3-formyl-4-hydroxy-, ethyl ester ethyl 3-formyl-4-hydroxybenzoate