3-phenyl-8-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]-1-oxa-3,8-diazaspiro-[4.5]decan-2-one
8-(5-fluoro-1H-benzimidazol-2-yl)-3-phenyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one
8-(1H-benzimidazol-2-yl)-3-phenyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one
8-(5-bromo-1H-benzimidazol-2-yl)-3-phenyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one
3-phenyl-8-{5-[(trifluoromethyl)oxy]-1H-benzimidazol-2-yl}-1-oxa-3,8-diazaspiro-[4.5]decan-2-one