4-chloro-7-(2-chloroethoxy)-6-nitroquinazoline

1-(4-((3-ethynylphenyl)amino)-7,8-dihydro-6H-[1,4]oxazino[3,2-g]quinazolin-6-yl)-4-morpholinobut-2-en-1-one

1-(4-((3-ethynylphenyl)amino)-7,8-dihydro-6H-[1,4]oxazino[3,2-g]quinazolin-6-yl)-4-(pyrrolidin-1-yl)but-2-en-1-one

7-(2-chloroethoxy)-N4-(3-ethynylphenyl)quinazoline-4,6-diamine