ethyl [2-(diethylamino)-7-methoxy-4H-chromen-4-ylidene]cyanoacetate

二乙酰乙酸乙酯

sodium acetyl acetic acid ethyl ester

phenyl 4-methylumbelliferyl-β-D-glucopyranosiduronic acid

7-[[O-2-(乙酰氨基)-2-脱氧-beta-D-吡喃葡萄糖基-(1→4)-O-2-(乙酰氨基)-2-脱氧-beta-D-吡喃葡萄糖基-(1→4)-O-2-(乙酰氨基)-2-脱氧-beta-D-吡喃葡萄糖基-(1→4)-2-(乙酰氨基)-2-脱氧-beta-D-吡喃葡萄糖基]氧基]-4-甲基-2H-1-苯并吡喃-2-酮