Acalabrutinib Impurity 6

Chemical Name: ((2R,E)-2-amino-6-((S)-2-(8-amino-1-(4-(pyridin-2-ylcarbamoyl)phenyl)imidazo[1,5-a]pyrazin-3-yl)pyrrolidin-1-yl)-3-mercapto-4-methyl-6-oxohex-4-enoyl)glycine

Smile: O=C(O)CNC([C@@H](N)C(S)/C(C)=C/C(N1[C@H](C2=NC(C3=CC=C(C(NC4=NC=CC=C4)=O)C=C3)=C5C(N)=NC=CN52)CCC1)=O)=O