dimethyl-(2-naphthalen-2-yl-2-oxoethyl)sulfanium,bromide

2-(2-methylpyridin-1-ium-1-yl)-1-naphthalen-2-ylethanone,bromide

2-isoquinolin-2-ium-2-yl-1-naphthalen-2-ylethanone,bromide

1-naphthalen-2-yl-2-quinolin-1-ium-1-ylethanone,bromide

2-(8-hydroxyquinolin-1-ium-1-yl)-1-naphthalen-2-ylethanone,bromide