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Synthetic methods used for the preparation of the series of alkylsulfonamido-substituted inhibitors. Schematic presentation of molecular structures of 8,8′-dichloro-sulfonamidopropyl and di(sulfonamidopropyl) cobalt bis(dicarbollide) ions, 91b− and 93c−, are shown in the bottom, from refs. [32,75]. Boron atoms are drawn in green, carbon in gray, cobalt in rose, sulfur in yellow, nitrogen in blue, oxygen in red, and chlorine in yellow-green color.
