7-(diethylamino)-4-methyl-3-(4-nitrophenyl)chromen-2-one

(4Z)-4-(偶氮基亚甲基)-7-(二乙基氨基)-4H-苯并吡喃-2-醇

7-(Diethylamino)-2-oxo-2H-chromene-3-carbaldehyde

7-(diethylamino)-4-carboxy coumarin

diethyl-methyl-(4-methyl-2-oxochromen-7-yl)azanium,iodide