Refers to the compound 8 - [5 - (1 - hydroxy - 1-methylethyl) pyridin-3-yl] - 1 - [(2S) - 2 - metoxipropil] - 3 - methyl - 1, 3 - 2H - dihydro imidazo [4, 5] quinolin-2 - C - ona, or a Salt thereof. Also referred to a Crystalline form and a Pharmaceutical composition. This Compound is useful for the treatment of bladder cancer, pancreatic cancer, kidney cancer, melanoma, sarcomaSE REFIERE AL COMPUESTO 8-[5-(1-HIDROXI-1-METILETIL)PIRIDIN-3-IL]-1-[(2S)-2-METOXIPROPIL]-3-METIL-1, 3-DIHIDRO-2H-IMIDAZO [4, 5-C]QUINOLIN-2-ONA, O UNA SAL DEL MISMO. REFERIDO TAMBIEN A UNA FORMA CRISTALINA Y A UNA COMPOSICION FARMACEUTICA. DICHO COMPUESTO ES UTIL PARA EL TRATAMIENTO DE CANCER DE VEJIGA, CANCER PANCREATICO, CANCER RENAL, MELANOMA, SARCOMA