Theophylline Impurities

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Parent Drug Name Name of Impurity Catalogue No.
Theophylline Theophylline EP Impurity A VL3710002View CAS 58-08-2
Theophylline Theophylline EP Impurity B VE006962View CAS 1076-22-8
Theophylline Theophylline EP Impurity C VE008571View CAS 7597-60-6
Theophylline 1, 3-Dimethyluric Acid VE006974View CAS 944-73-0