25205-34-9
2,6-dihydroxy-3-nitroacetophenone
+
93-97-0
苯甲酸酐
→
~39%
92424-80-1
5-hydroxy-6-nitro-2-phenylchromen-4-one
96260-33-2
92497-96-6
6-amino-5-hydroxy-2-phenylchromen-4-one