2-((Hydroxydiphenylacetyl)oxy)-5-azoniaspiro(4.4)nonane bromide 2-(2,2-diphenyl-2-hydroxyacetoxy)-5-azoniaspiro(4.4)nonane bromide 5-Azoniaspiro(4.4)nonane, 2-((hydroxydiphenylacetyl)oxy)-, bromide CO1748986