147017-64-9 3-Quinolinecarboxylic acid, 4-hydroxy-, 8-methyl-8-azabicyclo(3.2.1)oct-3-yl ester, dihydrochloride, hydrate, endo- endo-(8-Methyl-8-azabicyclo(3.2.1)oct-3-yl)4-hydroxy-3-quinolinecarboxylate 2HCl hydrate