Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-105285	1621160-31-3	Impurity
	Sofosbuvir Impurity 85
	C4X-105287	817204-32-3	Impurity
	Sofosbuvir Impurity 87
	C4X-105288	N/A	Impurity
	"(S)-(((2R,3R,4R,5R)-L-Sofosbuvir Isomer"
	C4X-105289	N/A	Impurity
	Sofosbuvir Impurity 89
	C4X-10529	2173637-26-6	Impurity
	Sofosbuvir Impurity 9
	C4X-105290	N/A	Impurity
	"(S)-(((2S,3R,4R,5R)-L-Sofosbuvir Isomer"
	C4X-105291	N/A	Impurity
	"(S)-(((2S,3S,4S,5S)-L-Sofosbuvir Isomer"
	C4X-105292	N/A	Impurity
	Sofosbuvir Impurity 92
	C4X-105293	1064684-30-5	Impurity
	Sofosbuvir O-Desisopropyl O-Ethyl Ester
	C4X-105294	N/A	Impurity
	Sofosbuvir Impurity 94