3-hydroxy-1H-benzo[g]pteridine-2,4-dione

4-carboxy-s-triazolo[4,3-a]quinoxalin-1(2H)-one

N,N-二甲基-苯磺酰胺

4-(N,N-dimethylcarboxamido)-s-triazolo[4,3-a]quinoxalin-1(2H)-one

1-(N,N-dimethylcarboxamido)imidazolo[4,5-b]quinoxaline