| abstract |
In the present specification, the compound of the general formula I [Chemical formula 1] And steric isomers, as well as pharmaceutically acceptable salts or solvates thereof, wherein in the formula, Ring A, Ring B, Ring C, R 1 , R 2 , L, Y, and W are described herein. To be treated with an FGFR inhibitor having the meaning given in the book, which is an inhibitor of FGFR1, FGFR2, FGFR3 and / or FGFR4 and contains a disease or disorder mediated by FGFR1, FGFR2, FGFR3 and / or FGFR4. It is useful for the treatment and prevention of diseases that can occur. |