7ΞΩPhenyl             C6H5                            6E‘ΚΑBenzyl             C6H5CH2                         ~WOίNaphthyl           C10H7H2                         'lCFuran              C4H4OH2                         $5Β\Pyran              C5H6O52                         *~ωάChinolin           C9H7N52                         3:^5?Acridin            C13H9N2                         p;dZPurin              C5H4N42                         B2nCoffein            C8H10N4O2                       4+ΉTheobromin         C7H8N4O22                       