Bepotastine

Bepotastine Besylate (R)-Isomer Bepotastine Besylate (R)-Isomer:

(R)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid benzenesulfonate ; CAS : 190730-42-8 ; C27H31ClN2O6S ;  Mol. Wt.: 547.06 ;
Bepotastine Besylate Bepotastine Besylate:

(S)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid benzenesulfonate ; CAS : 190786-44-8 ;C27H31ClN2O6S ; Mol. Wt.: 547.06 ;
Bepotastine Desbutyrate Impurity Bepotastine Desbutyrate Impurity :

2-[(S)-(4-Chlorophenyl)(4-piperidinyloxy)methyl]pyridine L-tartrate ; CAS :210095-58-2 ;  C21H25ClN2O7 ; Mol. Wt.: 452.89 ;
Bepotastine Ethyl Ester Bepotastine Ethyl Ester:

(S)-Ethyl 4-(4-((4-chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoate ; CAS : 190730-39-3 ;C23H29ClN2O3 ; Mol. Wt.: 416.94 ;
Bepotastine N-Oxide Bepotastine N-Oxide :

(S)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid N-oxide ; C21H25ClN2O4 ; Mol. Wt.: 404.89 ;