2-羟基喹喔啉

4-benzyl-1,2,5,7-tetrahydro-1,4,7-benzotriazonine-3,6-dione

4-(4-ethoxyphenyl)-1,2,5,7-tetrahydro-1,4,7-benzotriazonine-3,6-dione

4-(4-methylphenyl)-1,2,5,7-tetrahydro-1,4,7-benzotriazonine-3,6-dione

4-phenyl-1,2,5,7-tetrahydro-1,4,7-benzotriazonine-3,6-dione