abstract |
The present invention relates to a compound having the general formula (I), a method of preparing the compound, a drug preparation containing the compound, and applications of the compound in preparing drugs used to preventing or treating fibrosis diseases and treating hyperplasia diseases. The ring A, X, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , a, b, and n are as defined in the description. |