105-50-0
1,3-丙酮二羧酸二乙酯
+
108-95-2
苯酚
→
~2%
24526-73-6
2-(2-oxochromen-4-yl)acetic acid
77-92-9
柠檬酸
542-05-2
1,3-丙酮二羧酸
17831-88-8
4-氯-2H-色烯-2-酮
24526-79-2
ethyl 2-cyano-2-(2-oxo-2H-chromen-4-yl)acetate
607-71-6
4-甲基香豆素
90834-19-8
4-(2-phenylethenyl)chromen-2-one