for the following products
(S)-Methyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate | Clopidogrel | Clopidogrel hydrobromide | Clopidogrel labeled d4 and D-(+)-Methyl-alpha-(4,5,6,7-tetrahydro-thieno[3,2-c]pyridyl)(2chlorophenyl)acetate