Olopatadine

Olopatadine USP RC A Olopatadine  RC A:

Alpha-Hydroxy Olopatadine HCl ; 11-[3-(Dimethylamino)propylidene]-6,11-dihydro-α-hydroxy-dibenz[b,e]oxepin-2-acetic acid hydrochloride ; CAS : 1331668-21-3 (HCl) ; 1331822-32-2 (base) ;

C21H24ClNO4 ; Mol. Wt.: 389.87 ;
Olopatadine USP RC B Olopatadine RC B:

Olopatadine N-Oxide ; (Z)-3-{2-(Carboxymethyl)dibenzo[b,e]oxepin-11(6H)-ylidene}-N,N-dimethyl propan-1-amine oxide ; CAS : 173174-07-7 ; 203188-31-2 ; C21H23NO4 ; MW: 353.41 ;
Olopatadine USP RC C Olopatadine RC C :

11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid ; CAS : 55453-87-7 ;  C16H12O4 ; MW: 268.26 ;