5466-88-6
2H-1,4-苯并噁嗪-3(4H)-酮
→
~64%
31794-45-3
3-氧-3,4-二氢-2H-1,4-苯并恶嗪-6-磺酰氯
89976-75-0
6-氨基-2H-1,4-苯并吗啉-3(4H)-酮
95-55-6
美沙拉嗪杂质C