Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-111611	N/A	Impurity
	Epirubicin Impurity 11
	C4X-111612	N/A	Impurity
	Epirubicin Impurity 12
	C4X-111615	N/A	Impurity
	Epirubicin impurity 15 (Mixture of Epimer)
	C4X-11162	21794-55-8	Impurity
	Epirubicin EP Impurity B
	C4X-11163	N/A	Impurity
	Epirubicin EP Impurity C
	C4X-11167	1046827-43-3	Impurity
	Epirubicin EP Impurity G (Epirubicin Dimer)
	C4X-11169	N/A	Impurity
	Epirubicin Impurity 9
	C4X-11171	1502829-45-9	Impurity
	Gefitinib Impurity 1
	C4X-111710	1603814-04-5	Impurity
	Gefitinib Impurity 10
	C4X-111711	367-21-5	Impurity
	Gefitinib Impurity 11