Synonyms: (6S)-6-[5-[7-[2-(1R,3S,4S)-2-Azabicyclo[2.2.1]hept-3-yl-1H-benzimidazol-6-yl]-9,9-difluoro-9H-fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane hydrochloride (1:4);6-(7-(2-((S)-5-azaspiro[2.4]heptan-6-yl)-1H-iMidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-2-((1R,3S,4S)-2-azabicyclo[2.2.1]heptan-3-yl)-1H-benzo[d]iMidazole;(6S)-6-[5-[7-[2-(1R,3S,4S)-2-Azabicyclo[2.2.1]hept-3-yl-1H-benzimidazol-6-yl]-9,9-difluoro-9H-fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane hydrochloride