There is provided compounds of formula I, wherein X
1
to X
4
, R
1
to R
4
, Y
1
, Y
2
and L are as defined in the description, and pharmaceutically-acceptable salts thereof, which may be useful in the treatment and/or prophylaxis of autoimmune diseases, inflammatory (e.g. chronic inflammatory) diseases and/or other diseases that may benefit from production of ROS (reactive oxygen species) by a NADPH oxidase complex.
提供了具有式I的化合物,其中X1至X4,R1至R4,Y1,Y2和L如描述中定义,并且其药用盐,这些化合物可能在治疗和/或预防自身免疫疾病、炎症性(如慢性炎症性)疾病和/或其他可能受益于
NADPH
氧化酶复合物产生R
OS(活性
氧化物种)的疾病中有用。