Crystal structures of anhydrous and hydrated -benzyl-cinchonidinium bromide.

-benzyl-cinchonidinium bromide, CHNO·Br, with the systematic name ()-[(2,4,5)-1-benzyl-5-ethenyl-1-azoniabi-cyclo-[2.2.2]octan-2-yl](quinolin-4-yl)-methanol bromide, is a quaternary ammonium salt of the alkaloid cinchonidine.