氯吡格雷杂质   Clopidogrel impurity

LBL-A  (S)-2-(2-chlorophenyl)-2-(6,7dihydrothieno[3,2-c]pyridin-5(4H)yl)acetic acid  144457-28-3

LBL-B  methyl (S)-2-(2-chlorophenyl)-2-(4,7dihydrothieno[2,3-c]pyridin-6(5H)yl)acetate  1396841-05-6

LBL-C  methyl 2-(2-chlorophenyl)-2-(6,7dihydrothieno[3,2-c]pyridin-5(4H)yl)acetate sulfate  135046-48-9