[6-(Bromomethyl)-7-chloro-3-methyl-4-oxo-3,4-dihydro-2-quinazolin yl]methyl acetate

tert-butyl 4-[N-[7-chloro-2-hydroxymethyl-3-methyl-4-oxo-3,4-dihydroquinazolin-6-ylmethyl]-N-(prop-2-ynyl)amino]benzoate

tert-butyl 4-[N-[7-chloro-2-methanesulfonyloxymethyl-3-methyl-4-oxo-3,4-dihydroquinazolin-6-ylmethyl]-N-(prop-2-ynyl)amino]benzoate

2-Methyl-2-propanyl 4-[{[2-(acetoxymethyl)-7-chloro-3-methyl-4-ox o-3,4-dihydro-6-quinazolinyl]methyl}(2-propyn-1-yl)amino]benzoate