摘要 |
<p>A polymorphic form of a dye of Formula (I): <CHEM> characterised by the x-ray diffraction pattern shown as Form 2 in Figure 3 having characteristic peaks at the following values of two-theta (degrees) 3.8(s), 5.7(m), 7.6(m), 9.6(w), 11.5(w), 13.5(w), 15.5(w), 17.3(w), 19.2(w), 26.2(w) and a process for preparation of the polymorphic form.</p> |