摘要 |
FIELD: medicine, pharmaceutics. ^ SUBSTANCE: present inventions refers to a new crystalline form of tetomilast hydrate of the X-ray powder diffraction spectrum having characteristic peaks at the angle 20=10.6, 12.9, 21.1, 22.3 and 25.0, to a new crystalline form of anhydrous tetomilast type C of the X-ray powder diffraction spectrum having characteristic peaks at the angle 2=4.2, 8.2, 12.0, 16.4, 24.7 and 25.9, to a new crystalline form of acetonitrile tetomilast solvate of the X-ray powder diffraction spectrum having characteristic peaks at the angle 2=3.6, 7.1, 10.6, 14.2 and 24.8, to based pharmaceutical compositions and to methods for preparing. ^ EFFECT: new crystalline forms shows useful processing characteristics with relation to preparing pharmaceutical drugs of them. ^ 13 cl, 14 dwg, 8 ex |