Larotrectinib Impurity 1

Chemical Name: 4-Chloro-1-(2-fluorophenyl)butan-1-one

Synonym: 4-​[3-​[2-​(trifluoromethyl)​-​10H-​phenothiazin-​10-​yl]​propyl]​-​1-​Piperazine-​2,​2,3,3,4,4,5,5,​6,​6-​d8-​ethanol dihydrochloride; 4-[3-[2-(Trifluoromethyl)-10H-phenothiazin-10-yl]propyl]-1-piperazine-d8-ethanol Dihydrochloride; 4-[3-[2-(Trifluoromethyl)phenothiazin-10-yl]propyl]-1-piperazine-d8-ethanol Dihydrochloride;