SUBSTITUTED ISOXAZOLYLTHIOPHENE COMPOUNDS

摘要

Substituted isoxazolylthiophene compounds represented by general formula (I) or salts thereof, wherein R1 and R2 represents each C1-5 alkyl; R3 represent s cyano or CONR5R6 (wherein R5 and R6 represent each hydrogen or C1-10 alkyl); R4 represents C1-5 alkyl or phenyl; and n is an integer of from 0 to 2. Because of specifically potentiating the functions of cell differentiation inducing factors occurring in vivo, these compounds are useful in treating o r preventing various bone diseases or nervous diseases.