10,11-Dihydro-5H-dibenzo(a,d)cycloheptene-5-carboxylic acid tropine ester methobromide 7530-51-0 8-Azoniabicyclo(3.2.1)octane, 3-(((10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)carbonyl)oxy)-8,8-dimethyl-, bromide, endo- BS 7564