The crystal structure of bepotastine besylate {systematic name: 1-(3-carb-oxy-prop-yl)-4-[(4-chloro-phen-yl)(pyridin-2-yl)meth-oxy]piperidin-1-ium benzene-sulfonate, C21H26ClN2O3 +·C6H5O3S-) was refined using synchrotron X-ray powder diffraction data, and opt... ...
