Compounds of formula (I), wherein R1 through R3 are as defined in the claims, or pharmaceutically acceptable esters, salts, hydrates or solvates thereof, useful as DAAO inhibitors as well as pharmaceutical compositions containing them and their use as modulators of DAAO activity, D-serine levels, D-serine oxidative products and NMDA receptor activity in the nervous system of a mammalian subject are provided.
式(I)的化合物,其中R1至R3如权利要求中所定义,或其药用可接受的酯、盐、
水合物或溶剂化合物,可用作
DAAO
抑制剂,以及含有它们的药物组合物以及它们作为
DAAO活性调节剂、
D-丝氨酸水平、
D-丝氨酸氧化产物和N
MDA受体活性在哺乳动物主体的神经系统中的使用。