Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-152554	193761-53-4	Impurity
	Formoterol Impurity 54
	C4X-152555	67346-60-5	Impurity
	Formoterol Impurity 55
	C4X-152556	333796-54-6	Impurity
	Formoterol Impurity 56
	C4X-152557	408497-91-6	Impurity
	"(R,R)-Formoterol Impurity 57"
	C4X-152558	N/A	Impurity
	Formoterol Impurity58
	C4X-152559	306966-56-3	Impurity
	Formoterol Impurity 59
	C4X-15256	1795129-59-7	Impurity
	Formoterol EP Impurity F (Mixture of Diastereomers)
	C4X-152560	N/A	Impurity
	Formoterol Impurity 60
	C4X-152561	N/A	Impurity
	Formoterol Impurity 61
	C4X-152562	N/A	Impurity
	Formoterol Impurity 62