[8-(2-oxo-propyl)-8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl]-carbamic acid ethyl ester

(8-oxo-8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)-carbamic acid ethyl ester

diethyl 5-(4,5-methylenedioxy-2-(6,7-methylenedioxyquinazolin-4-ylamino)phenyl)-Δ2-1,2,4-triazoline-1,4-dicarboxylate