Theophylline Impurities

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StructureName of ImpurityCatalogue No.
58-08-2: Theophylline EP Impurity ATheophylline EP Impurity AVL3710002View CAS 58-08-2
7597-60-6: Theophylline EP Impurity CTheophylline EP Impurity CVE008571View CAS 7597-60-6
1076-22-8: Theophylline EP Impurity BTheophylline EP Impurity BVE006962View CAS 1076-22-8