IUPAC:ethyl 9-{4-[(2,5-dioxopyrrolidin-1-yl)oxy]-4-oxobutyl}-6,8,8-trimethyl-2-oxo-2H,6H,7H,8H,9H-chromeno[7,6-b]pyridine-3-carboxylate
IUPAC:ethyl 9-{4-[(2,5-dioxopyrrolidin-1-yl)oxy]-4-oxobutyl}-6,8,8-trimethyl-2-oxo-2H,6H,7H,8H,9H-chromeno[7,6-b]pyridine-3-carboxylate