Provided is a new compound capable of effectively inhibiting ATX. The compound is represented by formula I, or the compound is a tautomer, a stereoisomer, a hydrate, a solvate, a salt, or a prodrug of the compound represented by formula I. In formula (I), R1 and R2 are independently selected from -H or -CH3, provided that: R1 and R2 are not -H at the same time or are not -CH3 at the same time.
本发明提供了一种能够有效抑制 ATX 的新化合物。该化合物由式 I 表示,或者该化合物是由式 I 表示的化合物的同分异构体、立体异构体、
水合物、溶液、盐或原药。在式 (I) 中,R1 和 R2 独立地选自-H 或-
CH3,条件是:R1 和 R2 不是同时为-H 或不是同时为- 。