The results of neutral or acidic hydrolysis of P(St-co -APA) attaching isoniazidum showed that the hydrolysis of the macromolecular-drug oculd be controlled due to the particular structure of acryloxypropionic acid unit.

• 该药物于36℃进行中性-酸性水解,得到了水解速度随酸性增大而缓慢增加的预期结果。