2-benzyl-5-methylindolo[1,2-b][2,7]naphthyridin-12-one

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