It refers to the crystal a, B, C or D of 2-methyl-2 - [4 - (3-methyl-2-oxo-8-quinolin-3-il-2, 3-dihydro-imidazo - [4, 5-c] - quinolin-1-il) - phenyl]. Crystal form a shows a peak value of 8.4 + / -0.3 in X-ray diffraction of 2 theta derivative angle, crystal form D shows a peak value of 6.9 + / -0.3, crystal form C shows a peak value of 14.7 + / -0.3 and crystal form D shows a peak value of 23.9 + / -0.3. A pharmaceutical composer was also mentioned This compound has the activity of inhibiting fat belt, such as epoxidase-pi3.REFERIDA A UNA FORMA CRISTALINA A, B, C O D DEL 2-METIL-2-[4-(3-METIL-2-OXO-8-QUINOLIN-3-IL-2,3-DIHIDRO-IMIDAZO-[4,5-c]-QUINOLIN-1-IL)-FENIL]-PROPIONITRILO DE FORMULA (I). LA FORMA CRISTALINA A PRESENTA UN PICO EN LA DIFRACCION DE RAYOS-X DE 8,4 +/- 0,3 EN UN ANGULO DE DIFRACCION 2 THETA, LA FORMA CRISTALINA D PRESENTA UN PICO DE 6,9 +/- 0,3, LA FORMA CRISTALINA C PRESENTA UN PICO DE 14,7 +/- 0,3 Y LA FORMA CRISTALINA D PRESENTA UN PICO DE 23,9 +/- 0,3. TAMBIEN ESTA REFERIDA A UNA COMPOSICION FARMACEUTICA. DICHO COMPUESTO TIENE ACTIVIDAD INHIBIDORA DE LAS CINASAS DE LIPIDO TAL COMO LA CINASA-PI3