abstract |
The present invention provides a polycrystalline form of a 2-aminopyrimidine. The invention specifically provides N-((5-((5-chloro-4-((naphth-2-yl)amino))pyrimidin-2-yl)amino)-2-((N-methyl-N-dimethylaminoethyl)amino)-4-methoxybenzyl)acrylamide, a polycrystalline form thereof, and a manufacturing method and application of same. |