79509-91-4
ethyl N-(2-hydroxy-4-methoxyphenyl)oxalamide
→
~93%
81066-48-0
7-methoxy-4H-1,4-benzoxazine-2,3-dione
40925-70-0
2-氨基-5-甲氧基苯酚
79-37-8
草酰氯
+
56536-70-0
potassium 5-methoxy-2-nitrophenolate
151253-60-0
ethyl 5-methoxy-2-nitrophenyl oxalate
17359-53-4
2H-1,4-Benzoxazin-3(4H)-one, 2-hydroxy-7-methoxy-