... 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-benzimidazole; 5,6 ...