6,6-Bis(4-(dimethylamino)phenyl)-N,N-diethyl-6H-pyrimido[2,1-b]quinazolin-9-amine AIDS-133063 AIDS133063 N-(6,6-Bis(4-(dimethylamino)phenyl)-6H-pyrimido[2,1-b]quinazolin-9-yl)-N,N-diethylamine NSC628242