Form a glass Maxi Ni, b crystal type, c-type crystal and preparation method

The present invention provides of formula (I) of glassy Maxi Ni Form A, B and C Form Form Form A wherein the XRPD pattern at 2θ = 4.62,11.20,13.10,13.68,15.62,17.14,17.98, 18.86,21.34,22.18,22.86,23.78,26.26,29.98 diffraction peak at which the 2θ value of the error range is ± 0.2. The glass of the present invention Maxi Ni Form A, B and Form C polymorphs, their stability is better than the conventional glass Maxi Ni Ⅰ polymorph, it is advantageously used in pharmaceutical processing and pharmaceutical compositions .