英文别名2-[(2-Nitrophenyl)methylene]-3-oxobutanoic acid 2-methylpropyl ester; Nisoldipine USP RC C; Butanoic acid, 2-[(2-nitrophenyl)methylene]-3-oxo-, 2-methylpropyl ester; (Z)-isobutyl 2-(2-nitrobenzylidene)-3-oxobutanoate; Nisoldipine Impurity B; 2-methylpropyl 2-[(2-nitrophenyl)methylidene]-3-oxobutanoate 
