1-o-(8-methyl-8-azabicyclo[3.2.1]octan-3-yl) 4-o-phenyl 4-(8-methyl-8-azabicyclo[3.2.1]octan-3-yl)-2,3-dihydro-1h-naphthalene-1,4-dicarboxylate;sulfuric Acid;hydrate