Clopidogrel USP Related Compound B ;
Methyl (±)-(o-chlorophenyl)[4,5-dihydrothieno
[2,3-c]pyridine-6(7H)-yl]acetate hydrochloride
; Methyl (2RS)-(o-chlorophenyl)[4,5-dihydrothieno
[2,3-c]pyridine-6(7H)-yl]acetate hydrochloride ;