(3-methylquinoxalin-2-yl)-phenylmethanone

ethyl 4-methyl-3-oxoquinoxaline-2-carboxylate

1-(10H-phenazin-5-yl)ethanone

2-(2,4-dinitrophenyl)sulfanyl-1H-benzimidazole

3,8-二氢环丁基[b]喹噁啉-1,2-二酮