The present invention provides pro-drugs of D-gamma-glutamyl-[D/L]-tryptophan, said pro-drugs are compounds of Formula I or pharmaceutically acceptable salts thereof, wherein G is C
1
-C
8
alkyl or benzyl, T is C
1
-C
8
alkyl or benzyl, and * is a chiral carbon in a (R) or (S) configuration, provided that when * is in the (R) configuration, at least one of G and T is C
5
-C
8
alkyl; and use of compounds of Formula I in a pharmaceutical composition.
本发明提供D-γ-谷
氨酰-[D/L]-色
氨酸的前药,所述前药是公式I的化合物或其药学上可接受的盐,其中G是C1-C8烷基或
苄基,T是C1-C8烷基或
苄基,而*是具有(R)或(S)构型的手性
碳,前提是当*处于(R)构型时,G和T中至少有一个是C5-C8烷基;以及公式I化合物在制药组合物中的用途。