The present invention provides compounds which are selective allosteric inhibitors of T790M/L858R, T790M/L858R/C797S, L858R, L858R/C797S containing EGFR mutants, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances.本發明提供一種含有EGFR突變體之T790M/L858R、T790M/L858R/C797S、L858R、L858R/C797S之選擇性立體異位抑制劑之化合物、該等化合物之製造、含有該等化合物之醫藥組合物及該等化合物作為治療活性物質之用途。