Complexes of 6.alpha. 9.alpha. - difluoro - 17. alpha. - ( (2 - furanylcarbonyl) oxy) - 11.beta. -hydroxy - 16- .alpha. -methyl - 3oxo- androsta- 1,4 -diene - 17 .beta. -carbothioic acid s-fluoromethyl ester

摘要

There is provided a crystalline chemical composition comprising a compound of formula (I)in which the crystal lattice is stabilised by the presence of a guest molecule, characterised in the crystalline composition is of space group P212121 having unit cell dimensions of about 7.6±0.6 Å, 12.7±0.7 Å, and 33±3 Å when determined at 120K.