(+)-(S)-4-[4-[1-(4-chloroph-enyl)-1-(2-pyridyl)methoxy]pip-eridin-1-yl]butyric acid(bopotastine base)

(+)-(s)-4-[4-[1-(4-chloroph-enyl)-1-(2-pyridyl)methoxy]pip-eridin-1-yl]butyric acid(bopotastine base ; (s)-4-[4-(4-chlorophenyl-2-pyridylmethoxy)piperidinyl]butyric acid benzenesulfonate-d4 ; bepotastine-d4 besylate ; 4-(4-[(1s)(4-chlorophenyl)-2-pyridylmethoxy]piperidyl)butanoic acid ; bb-d4 ; bepotastine benzenesulfonate-d4 ; 4-[(s)-(4-chlorophenyl)-pyridin-2-ylmethoxy]-1-piperidinebutanoic acid ; 1-piperidinebutanoicacid, 4-[(s)-(4-chlorophenyl)-2-pyridinylmethoxy]- ; (s)-4-(4-((4-chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid ; 4-[(s)-(4-chlorophenyl)-2-pyridinylmethoxy]-1-piperidinebutanoic acid benzenesulfonate-d4