1-hydroxy-2-morpholin-4-ylpurin-6-amine

4-吗啉吡啶-3-胺

4-(6-methylsulfonylpyrimidin-4-yl)morpholine

6-morpholin-4-ylpyridine-3-sulfonamide

2-羟基-5-(吗啉-4-磺酰基)-苯甲酸