Donepezil intermediates 5,6-dimethoxy-1-indanone CAS RN.:2107-69-9 EINECS:218-287-8 Molecular Formula:C9H10N2O2 Donepezil intermediates5,6-dimethoxy-1-indanoneSynonyms:2,3-Dihydro-5,6-dimethoxy-1H-indenone; 5,6-dimethoxy-2,3-dihydroinden-1-one; 1H-Inden-1-one,2,3-dihydro-5,6-dimethoxy; 5,6-dimethoxy-1-indanone; 5,6-dimethoxy, 1-indanone; 5,6-dimethoxy-2,3-dihydro-1H-inden-1-one; 5,6-dimethoxy-1H- ...