105855-37-6
6-Bromo-5H-pyrido[3,2-a]phenoxazin-5-one
→
~49%
1892-55-3
pyrido[3,2-a]phenoxazin-5-one
18633-05-1
6,7-dibromoquinoline-5,8-dione
95-55-6
美沙拉嗪杂质C
10470-83-4
5,8-喹啉二酮
+
105855-30-9
5H-Pyrido[2,3-a]phenoxazin-5-one