2-methoxy-N-[(E)-3-[4-[[3-methyl-4-(6-methylpyridin-3-yl)oxyphenyl]amino]quinazolin-6-yl]prop-2-enyl]acetamide 2-methoxy-N-[(E)-3-[4-[[3-methyl-4-[(6-methyl-3-pyridyl)oxy]phenyl]amino]quinazolin-6-yl]prop-2-enyl]acetamide 2-methoxy-N-[(E)-3-[4-[[3-methyl-4-[(6-methyl-3-pyridyl)oxy]phenyl]amino]-6-quinazolinyl]prop-2-enyl]acetamide 2-methoxy-N-[(E)-3-[4-[[3-methyl-4-(6-methylpyridin-3-yl)oxy-phenyl]amino]quinazolin-6-yl]prop-2-enyl]ethanamide