103361-68-8
4-methyl-6-nitro-1,4-benzoxazin-3-one
→
~97%
103361-43-9
6-氨基-4-甲基-2H-1,4-苯并恶嗪-3(4H)-酮
81721-87-1
6-硝基-2H-1,4-苯并噁嗪-3(4H)-酮