Donepezil intermediates 5,6-dimethoxy-1-indanone CAS RN.:2107-69-9 EINECS:218-287-8 Molecular Formula:C9H10N2O2 Donepezil intermediates5,6 ... )]Decane-3,5-Dione (CAS No.: 14805-29-9) (1R,2R)-Cyclohexane-1,2-Diyldimethanediyl Dimethanesulfonate (CAS No.:186204-35-3)5 ... ,2-Dimethyltetrahydro-3aH-Cyclopenta[d][1,3]-Dioxol-4-yl]oxy}-1-Ethol (CAS No.:274693-55-9 )6.Loteprednol Etabonate & Intermediates7. ...