1-(4-((3-氯-4-氟苯基)氨基)-7-(((S)-四氢呋喃-3-基)氧基)喹唑啉-6-基)-5-羟基吡咯烷酮-2-酮(阿法替尼杂质)

1-(4-((3-氯-4-氟苯基)氨基)-7-(((S)-四氢呋喃-3-基)氧基)喹唑啉-6-基)-5-羟基吡咯烷酮-2-酮(阿法替尼杂质)

1-(4-((3-chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one(AfatinibImpurity)