英文别名5-Hydroxy-6-methoxy-1-indanone; 2,3-Dihydro-5-hydroxy-6-methoxy-1H-inden-1-one; 5-Hydroxy-6-methoxyindan-1-one; 5-hydroxy-6-methoxy-2,3-dihydroinden-1-one; 5-hydroxy-6-methoxy-indan-1-one; 5-hydroxy-6-methoxyindanone; 1H-Inden-1-one,2,3-dihydro-5-hydroxy-6-methoxy; Donepezil Impurity 21 
