6-(3-(1-oxa-6-azaspiro[3.3]heptan-6-yl)propoxy)-N-(3-chloro-4-fluorophenyl)-7-methoxyquinazolin-4-amine

6-(3-(2-thia-6-azaspiro[3.3]heptan-6-yl)propoxy)-N-(3-chloro-4-fluorophenyl)-7-methoxyquinazolin-4-amine