Avapritinib Impurity 1

Chemical Name: (S)-N-(1-(4-Fluorophenyl)-1-(2-(4-(6-(1-methyl-1H-pyrazol-4-yl)pyrrolo[2,1-f][1,2,4]triazin-4-yl)piperazin-1-yl)pyrimidin-5-yl)ethyl)hydroxylamine

Smile: CN1C=C(C2=CN3C(C(N4CCN(CC4)C5=NC=C([C@@](C6=CC=C(F)C=C6)(C)NO)C=N5)=NC=N3)=C2)C=N1