2-cyclopropyl-6,7-dimethoxy-4-[4-(4-methoxy-2-nitro-phenyl)-piperazin-1-yl]-quinazoline

2-cyclopropyl-6,7-dimethoxy-4-(2-methyl-piperazin-1-yl)-quinazoline hydrochloride

tert-butyl 4-(2-cyclopropyl-6,7-dimethoxyquinazolin-4-yl)piperidine-1-carboxylate

2-cyclopropyl-6,7-dimethoxy-4-(piperidin-4-yl)quinazoline hydrochloride