4-(dimethylamino)-1-(4-(2-hydroxy-1-phenylethyl)amino-5,6,7,8-tetrahydropyrido(4',3'-4,5)thieno(2,3-d)pyrimidin-7-yl)-2-buten-1-one
4-(dimethylamino)-1-(4-(2-hydroxy-1-phenylethyl)amino-5,6,7,8-tetrahydropyrido(4',3'-4,5)thieno(2,3-d)pyrimidin-7-yl)-2-buten-1-one