hydrogen bromide
(α-bromo-benzylidene)-phthalide
4-acetoxy-2-(2-N,N-diacetylaminophenyl)-3-phenyl-1-isoquinolone
4-methoxy-3-phenyl-2-(2-chloroacetamidophenyl)-1-isoquinolone
2-(2-aminophenyl)-3-hydroperoxy-3-phenyl-1,4-dioxo-1,2,3,4-tetrahydroisoquinoline