| 摘要 |
This invention provides smooth muscle cell proliferation inhibitors of formula (I) having the structure wherein X is (A) wherein R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, R<7>, R<8>, R<9> and R<10>, are each, independently, hydrogen, acyl of 2-7 carbon atoms, perfluoroacyl of 2-10 carbon atoms, alkyl of 1-6 carbon atoms, perfluoroalkyl of 1-6 carbon atoms, benzoyl, benzyl or -SO3M; M is hydrogen, lithium, sodium, potassium or ammonium; R<11> is hydrogen, alkyl of 1-6 carbon atoms, perfluoroalkyl of 1-6 carbon atomes, halogen, nitrile, nitro, or alkoxy of 1-6 carbon atoms; R<12> is hydrogen, nitro, amino, acylamino of 2-7 carbon atoms, perfluoroacylamino of 2-7 carbon atoms, alkylamino of 1-6 carbon atoms, perfluoroalkylamino of 1-6 carbon atoms, dialklylamino where each alkyl chain is independently 1-6 carbon atoms, perfluorodialklylamino where each alkyl chain is independently 1-6 carbon atoms, alkylsulfonylamino of 1-6 carbon atoms, perfluoroalkyl-sulfonylamino of 1-6 carbon atoms, arylsulfonylamino of 6-10 carbon atoms or arylsulfonylamino substituted with halo of 6-10 carbon atoms; or a pharmaceutically acceptable salt thereof.
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