Fluphenazine contains an ester group which is susceptible to hydrolysis by esterases in the blood.If the drug is given by i.v. injection, the ester is quickly hydrolysed.

• 氟奋乃定包含一个酯基，它容易被血中的酯酶水解，如果采用静脉注射给药的话，酯会很快被水解。