| abstract |
A polymorphic form of compound (1), wherein compound (1) is represented by the following structural formula: ** Formula ** and where the polymorphic form is a crystalline HCl salt of the semihydrate of compound (1), said polymorphic form further characterized by one or more peaks corresponding to 2-theta values measured in degrees of 10.5 ± 0 10, 2, 5.2 ± 0.2, 7.4 ± 0.2 and 18.9 ± 0.2 in a powder X-ray diffraction pattern. |