2-benzyl-5-(1H-indol-2-yl)-5-methyl-6,8-dioxo-5,6,7,8-tetrahydro-2,7-naphthyridin-2-ium bromide

N-(对甲苯磺酰)吲哚

ethyl 2-(N-tosylindol-2-yl)acrylate

ethyl 2-[1-(4-methylphenyl)sulfonylindol-2-yl]-2-oxoacetate

1-benzylpyridin-1-ium-3-carboxamide,bromide