113495-53-7
7-methoxy-2-p-tolyl-3-nitro-2H-chromene
→
~92%
93175-99-6
3-hydroxy-7-methoxy-2-(4-methylphenyl)chromen-4-one
2237-36-7
4-甲氧基水杨酸
+
99-94-5
对甲基苯甲酸