Figure 1

Structures of Amantadine, Memantine, Carbazole and Tetrahydrocarbazole and the studied conjugates of carbazoles (C-1) and tetrahydrocarbazoles (C-2); R2 = CH3 – memantine derivatives, R2 = H – amantadine derivatives.

Structures of Amantadine, Memantine, Carbazole and Tetrahydrocarbazole and the studied conjugates of carbazoles (C-1) and tetrahydrocarbazoles (C-2); R2 = CH3 – memantine derivatives, R2 = H – amantadine derivatives.