Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-221330	N/A	Impurity
	Roxadustat Impurity 30
	C4X-221331	808118-34-5	Impurity
	Roxadustat Impurity 31
	C4X-221332	N/A	Impurity
	Roxadustat Impurity 32 Formate
	C4X-221333	1455091-04-9	Impurity
	Roxadustat Impurity 33
	C4X-221334	N/A	Impurity
	Roxadustat Impurity 34
	C4X-221335	2370958-34-0	Impurity
	Roxadustat Impurity 35
	C4X-221336	2599284-47-4	Impurity
	Roxadustat Impurity 36
	C4X-221337	N/A	Impurity
	Roxadustat Impurity 37
	C4X-221338	N/A	Impurity
	Roxadustat Impurity 38
	C4X-221339	N/A	Impurity
	Roxadustat Impurity 39