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(C=N1)C2=CN3C(C(N4CCN(C(N=C5)=NC=C5[C@@](NO)(C(C=C6)=CC=C6F)C)CC4)=NC=N3)=C2