(+)-(S)-4-(4-((4-Chlorophenyl)(2-pyridyl)methoxy)piperidino)butyric acid monobenzenesulfonate 1-Piperidinebutanoic acid, 4-((4-chlorophenyl)-2-pyridinylmethoxy)- (S)-, monobenzenesulfonate 190786-44-8 4-((4-Chlorophenyl)-2-pyridinylmethoxy)- (S)-1-piperidinebutanoic acid monobenzenesulfonate Bepotastine besilate Betotastine besilate