Synonyms: Clidinium Bromide, 1-Azoniabicyclo[2.2.2]octane, 3-[(2-hydroxy-2,2-diphenylacetyl)oxy]-1-methyl-, bromide (1:1), 1-Azoniabicyclo[2.2.2]octane, 3-[(hydroxydiphenylacetyl)oxy]-1-methyl-, bromide (9CI), 3-Hydroxy-1-methylquinuclidinium bromide, benzilate (6CI,7CI), Quinuclidinium, 3-hydroxy-1-methyl-, bromide, benzilate (8CI), 1-Methyl-3-(benziloyloxy)quinuclidinium bromide, 3-(Benziloyloxy)-1-methylquinuclidinium bromide, Clidinium bromide, Quarzan, Quarzan bromide, Ro 2-3773