1-acetyl-1H-indole-2,3-dione
ethanol
5-chloro-N1-methylbenzene-1,2-diamine
4-chloro-2-methylaminonitrobenzene
toluene-4-sulfonic acid-[2-(6-chloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-N-methyl-anilide]
toluene-4-sulfonic acid-[2-(6-chloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-anilide]
7-chloro-1-methyl-3-(2-methylamino-phenyl)-1H-quinoxalin-2-one
3-(2-amino-phenyl)-7-chloro-1-methyl-1H-quinoxalin-2-one