74769-78-1

1-(4-Chlorophenyl)-3-hydroxyquinoxalin-2(1H)-one 1-(4-Chlorophenyl)-1,4-dihydroquinoxaline-2,3-dione 2,3-Quinoxalinedione, 1-(4-chlorophenyl)-1,4-dihydro- 1-(4-Chlorophenyl)-3-hydroxy-1,2-dihydroquinoxalin-2-one 1-(4-Chlorophenyl)-3-hydroxy-1,2-dihydroqu inoxalin-2-one, 90+%