4H-1,3-dioxin-5-carboxamide, N-(4-ethoxyphenyl)-6-hydroxy-2,2-dimethyl-4-oxo- InChI=1/C15H19NO6/c1-4-20-10-7-5-9(6-8-10)16-12(17)11-13(18)21-15(2,3)22-14(11)19/h5,8,18H,4,6-7H2,1-3H3,(H,16,17 N-(4-ethoxyphenyl)-6-hydroxy-2,2-dimethyl-4-oxo-4H-1,3-dioxine-5-carboxamide