United States Pharmacopeia (USP) Reference Standard
Synonym(s): (11Z)-11-[3-( Dimethyloxidoamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid; Olopatadine N-oxide
Empirical Formula: C21H23NO4
Formula Weight: 353.41
Linear Formula: C21H23NO4