Clopidogrel-d4 Hydrogen Sulfate is a deuterated form of clopidogrel. This compound is an irreversible inhibitor of the P2Y12 receptor, which is responsible for initiating a secondary messenger cascade that ultimately causes platelet aggregation.
Mills, D.C.B., et al.: Arterioscler. Thromb., 12, 430 (1992), Feuerstein, G., et al.: Exp. Opin. Invest. Drugs, 4, 425 (1995)