Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-190328	13506-76-8	Impurity
	Lenalidomide Impurity 28
	C4X-190329	31140-42-8	Impurity
	Lenalidomide Impurity 29
	C4X-19033	295357-66-3	Impurity
	Lenalidomide Impurity 3
	C4X-190330	13726-85-7	Impurity
	Lenalidomide Impurity 30
	C4X-190331	13365-26-9	Impurity
	Lenalidomide Impurity 31
	C4X-190332	N/A	Impurity
	Lenalidomide Impurity 32
	C4X-190333	N/A	Impurity
	Lenalidomide Impurity 33
	C4X-190334	N/A	Impurity
	Lenalidomide Impurity 34
	C4X-190335	N/A	Impurity
	Lenalidomide Impurity 35
	C4X-190336	1628915-10-5	Impurity
	Lenalidomide Impurity 36