The Invention relates to tricyclic compounds of the formula I, where W is NH, H is imidazole r1 R2 and R3 are each h, CN, among others, R4, R5, R6, R7, R8 are each h, alkyl, Halo, C1 - C6, among others.It also relates to pharmaceutical compositions of the same, which are inhibitors of one or more Enzymes of FGFR and are useful in the treatment of diseases such as cancer associated with FGFRLa invencion se refiere a compuestos triciclicos de la formula I, donde W es NH A es imidazol R1 es H R2 y R3 son cada uno H, CN, entre otros R4, R5, R6, R7, R8 son cada uno H, halo, alquilo C1-C6, entre otros. Tambien se refiere a composiciones farmaceuticas de los mismos, que son inhibidores de una o mas enzimas del FGFR y son utiles en el tratamiento de enfermedades asociadas con el FGFR tales como cancer