2,2,2-trifluoro-N-(2-hydroxy-5-nitrophenyl)acetamide

2,2-二甲基-6-硝基-4-(1-氧代吡啶-1-鎓-2-基)-3H-1,4-苯并恶嗪

ethyl 2-methyl-6-nitro-3-oxo-4H-1,4-benzoxazine-2-carboxylate

N-(5-氨基-2-羟基苯基)乙酰胺

4-methyl-6-nitro-2,3-dihydro-1,4-benzoxazine