Polymorphic forms of icotinib and uses thereof

摘要

The present invention relates to the polymorphic forms of the compound of Formula I, preparation thereof and pharmaceutical compositions, and use of a polymorph above in the treatment of a disease, a disorder or a condition, or in the manufacturing of a medicament for the treatment of a disease, a disorder or a condition.;

主权项

1. A polymorph form of the compound of Formula I, wherein the polymorph form is of Form II and its X-ray powder diffraction pattern has characteristic peaks at diffraction angles 2θ of 5.5°, 11.0°, 19.7°, 20.9° and 22.6°±0.2°.