英文别名Benzene, 1-methoxy-4-(methoxydiphenylmethyl)-; methoxy-(p-methoxytriphenyl)methane; 4.α-Dimethoxy-tritan; methoxy-(4-methoxy-phenyl)-diphenyl-methane; Methoxy-(4-methoxy-phenyl)-diphenyl-methan; Methyl-(4-methoxy-trityl)-aether; Entecavir Impurity 21; Entecavir Impurity 36; (Methoxy(4-methoxyphenyl)methylene)dibenzene 
