| abstract |
There is provided a white crystal form of the compound having the formula: whose crystal form is characterised by an X-ray diffraction diagram which is essentially as shown in table I, II or III. Also provided is a formulation comprising from 10 to 85% by weight of the white crystal form of compound having the formula (1) and from 90 to 15% by weight of a polyhydroxy compound, preferably glycerine. |