The present invention relates to a phenylalanine derivative of Formula (I) wherein X
1
is a halogen atom, X
2
is a halogen atom, Q is a CH
2
R— is a carboxyl group which may be esterified; or a pharmaceutically acceptable salt thereof.
本发明涉及一种苯丙
氨酸衍
生物,其
化学式为(I),其中X1为卤素原子,X2为卤素原子,Q为CH2R-为羧基,可以酯化;或其药学上可接受的盐。