Email (record): Synthesis of (1,10-Phenanthroline-<i>κ</i>²<i>N</i>,<i>N</i>′)(β²-Methyl- and β²-PhenylAlaninate-<i>κ</i>²<i>N</i>,<i>O</i>)Copper(II) Nitrate Complexes and Their Antiproliferative Activity on MCF-7 and A549 Cancer Cell Lines