Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-208638	N/A	Impurity
	Dacomitinib Impurity 38
	C4X-208639	N/A	Impurity
	Dacomitinib Impurity 39
	C4X-20864	179552-75-1	Impurity
	Dacomitinib Impurity 4
	C4X-208640	N/A	Impurity
	Dacomitinib Impurity 40
	C4X-20865	768341-84-0	Impurity
	(See C3D-4103)Dacomitinib Impurity 5
	C4X-20866	N/A	Impurity
	Dacomitinib Impurity 6
	C4X-20867	N/A	Impurity
	Dacomitinib Impurity 7
	C4X-20868	N/A	Impurity
	Dacomitinib Impurity 8
	C4X-20869	N/A	Impurity
	Dacomitinib Impurity 9
	C4X-20873	87864-08-2	Impurity
	Cinchocaine EP Impurity C