The invention relates to the G-crystal form, I-crystal form and K-crystal form of the methanesulfonic acid addition salt of 4-(4-methylpiperazin-1-ylmethyl)-N-[4-methyl-3-(4-(pyridin-3-yl)pyrimidin-2-ylamino)phenyl]-benzamide, certain processes for their preparation, pharmaceutical compositions containing these crystal forms, their use in diagnostic methods or for the therapeutic treatment of warm-blooded animals, and their use as an intermediate or for the preparation of pharmaceutical preparations for use in diagnostic methods or for the therapeutic treatment of warm-blooded animals, especially humans.
