The invention relates to the field of drugs associated with thrombotic diseases, in particular to a category of PAR-1 antagonists of an
oxadiazole sulfoxide structure comprising alkoxy p-substituted
benzene, a preparation method of the PAR-1 antagonists, and application of
drug combinations comprising the alkoxy p-substituted
benzene and the alkoxy p-substituted
benzene in preparation of the drugs for treating the thrombotic diseases. Please see the formula in the specification, wherein R1 and R2 are defined according to the description in the specification.