5660-34-4
furo[3,4-b]quinoxaline-1,3-dione
→
~80%
54108-05-3
2-hydroxypyrrolo[3,4-b]quinoxaline-1,3-dione
34572-71-9
2,3-dihydropyridazino[4,5-b]quinoxaline-1,4-dione
54108-08-6
3-hydroxy-1H-benzo[g]pteridine-2,4-dione
54108-07-5
(1,3-dioxopyrrolo[3,4-b]quinoxalin-2-yl) benzenesulfonate