20526-97-0

Einecs 243-862-5 isobenzofuran-1(3H) Azelastine USP RC E 4-Chlorbenzalphthalid 3-(4-Chlorobenzylidene) 3-(4-Chlorobenzal)phthalide Azelastine HCl EP Impurity E 4-CHLOROBENZYLIDENE PHTHALIDE 3-(4-CHLOROBENZYLIDENE)PHTHALIDE 3-(p-Chlorobenzylidene)phthalide 3-(4-Chlorobenzylidene)isobenzofura Azelastine Hydrochloride EP Impurity E 3-[(4-chlorophenyl)methylene]phthalide 3-(4-Chlorobenzylidene)-1(3H)-isobenzofuranone 3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one 3-(4-Chlorobenzilidene)isobenzofuran-1(3H)-one 3-[(4-chlorophenyl)methylidene]-2-benzofuran-1-one 3-[(4-Chlorophenyl)methylene]-1(3H)-isobenzofuranone (E/Z)-3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one 1(3H)-Isobenzofuranone, 3-[(4-chlorophenyl)methylene]- Azelastine EP Impurity E/ Azelastine Related Compound E 3-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-3H-isobenzofuran-1-one