57543-87-0
8-Methoxy-3-nitro-2-phenyl-2H-1-benzopyran
→
877-22-5
3-甲氧基水杨酸
+
88252-61-3
3-hydroxy-8-methoxy-2-phenylchromen-4-one
57544-05-5
8-methoxy-2-(4-methoxyphenyl)-3-nitro-2H-chromene
→
877-22-5
3-甲氧基水杨酸
+
91735-21-6
4H-1-Benzopyran-4-one, 3-hydroxy-8-methoxy-2-(4-methoxyphenyl)-