1-Methyl-3-(9-xanthenylcarboxy)quinuclidinium bromide 29125-64-2 3-(9-Xanthenylcarboxy)quinuclidine methobromide 3-Hydroxy-1-methylquinuclidinium bromide xanthene-9-carboxylate Quinuclidinium, 3-hydroxy-1-methyl-, bromide, xanthene-9-carboxylate