
| Product Code: DH /DPZ/1001 | Molecular Formula: C24H27N203 |
| CAS Number: NA | Molecular Weight: 395.5 |
Synonyms: 5,6-dimethoxy-2-[[(1-[phenylmethyl)-4-piperidinyl]methylene]-1H-inden-1-one –n-oxide
Donepezil Impurity Pyridine Analog

| Product Code: DH /DPZ/1002 | Molecular Formula: C17H17N03 |
| CAS Number: 4803-57-0 | Molecular Weight: 283.32 |
Synonyms: 5,6-Dimethoxy-2-(4-pyridyl)methyl-indan-1-one

| Product Code: DH /DPZ/1003 | Molecular Formula: C24H27NO3 |
| CAS Number: 145546-80-1 | Molecular Weight: 377.48 |
Synonyms: 2,3-Dihydro-5,6-dimethoxy-2-[[(1-[phenylmethyl)-4-piperidinyl]methylene]-1H-inden-1-one

| Product Code: DH /DPZ/1004 | Molecular Formula: C24H31NO2 |
| CAS Number: 1034439-57-0 | Molecular Weight: 365.51 |
Synonyms: 1-Benzyl-4-[(5,6-dimethoxy-1-indan-2-yl)methyl]piperidine

| Product Code: DH /DZ/1005 | Molecular Formula: C24H29NO2 |
| CAS Number: 120013-45-8 | Molecular Weight: 363.49 |
Synonyms: 4-[(5,6-Dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine