Patent ID: 8188138
Filing Date: 2012-05-29
Classification: A61P,C07D

Abstract:
1. A crystalline hydrochloride salt of (E)-3-[1-(4-dimethylaminomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-N-hydroxy-acrylamide, which is a form A polymorph having a X-ray diffraction pattern, which comprises peaks at 5.8, 11.5, 15.0, 17.1, 17.4, 17.5, 18.2, 19.9, 20.1, 20.6, 21.3, 21.5, 23.2, 24.1, 25.0, 25.4, 25.8, 26.9, 27.5, 28.5, 29.1, 30.1, 30.2, 30.8 and 32.3 in 2θ; when the pattern is obtained using Cu Kα radiation, or a form B polymorph having a X-ray diffraction pattern, which comprises peaks at 10.1, 17.0, 17.7, 17.9, 20.3, 20.8, 21.1, 22.7, 23.1, 24.1, 26.2, 26.8, 27.9, 28.9 and 34.5 in 2θ; when the pattern is obtained using Cu Kα radiation.