Clopidogrel EP IMpurity D;Clopidogrel EP Impurity D HCl;Clopidogrel Impurity D Sulfate;Clopidogrel Impurity 4(Clopidogrel EP Impurity D);Clopidogrel EP Impurity D / Clopidogrel BP Impurity D;Methyl (2R)-(2-chlorophenyl)[(2S)-(2-chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetylox;(R)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl (S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate;(S)-(R)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate;(R)-1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl (R)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate;(1R)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl(2S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4h)-yl)acetate