英文同义词
P,P'-[1-Hydroxy-2-(3-pyridinyl)ethylidene]bis-phosphonic Acid P,P,P',P'-Tetramethyl Ester;Tetramethyl Risedronate;Risedronate Impurity 7(Tetramethyl Risedronate);Phosphonic acid, P,P'-[1-hydroxy-2-(3-pyridinyl)ethylidene]bis-, P,P,P',P'-tetramethyl ester;Risedronate Tetramethyl Impurity