SDF35: Sildenafil Carboxylic Acid Impurity

SDF35: Sildenafil Carboxylic Acid Impurity

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Sildenafil Carboxylic Acid Impurity ;

4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzoic acid ;

CAS # 147676-78-6 ;

C18H20N4O4 ;

MW: 356.38 ;