82222-34-2
3-(dimethylamino)-6-[(4-nitroanilino)methylidene]cyclohexa-2,4-dien-1-one
→
~87%
74696-95-0
3-acetyl-7-(dimethylamino)chromen-2-one
41602-56-6
4-(二甲氨基)邻羟苄基
+
141-97-9
乙酰乙酸乙酯
~82%