54108-05-3
2-hydroxypyrrolo[3,4-b]quinoxaline-1,3-dione
+
98-09-9
苯磺酰氯
→
54108-07-5
(1,3-dioxopyrrolo[3,4-b]quinoxalin-2-yl) benzenesulfonate
5660-34-4
furo[3,4-b]quinoxaline-1,3-dione
54108-08-6
3-hydroxy-1H-benzo[g]pteridine-2,4-dione