1.Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

1.同时利用所合成化合物3，14，16为，3羧基进行了酯化反应合成了4个喹诺酮酯类化合物：化合物22—25。