BENZYLMALTOTRIOSIDES AS INHIBITORS OF SMOOTH MUSCLE CELL PROLIFERATION

This invention provides smooth muscle cell proliferation inhibitors of formu la (I) having the structure wherein X is (A) wherein R1, R2, R3, R4, R5, R6, R7 , R8, R9 and R10, are each, independently, hydrogen, acyl of 2-7 carbon atoms, perfluoroacyl of 2-10 carbon atoms, alkyl of 1-6 carbon atoms, perfluoroalky l of 1-6 carbon atoms, benzoyl, benzyl or -SO3M; M is hydrogen, lithium, sodiu m, potassium or ammonium; R11 is hydrogen, alkyl of 1-6 carbon atoms, perfluoroalkyl of 1-6 carbon atomes, halogen, nitrile, nitro, or alkoxy of 1 -6 carbon atoms; R12 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 chai n 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 o f 6-10 carbon atoms or arylsulfonylamino substituted with halo of 6-10 carbon atoms; or a pharmaceutically acceptable salt thereof.