4'-O-Methylbavachalcone 是从补骨脂中分离得到的一种查尔酮，可抑制严重急性呼吸综合征冠状病毒木瓜样蛋白酶的活性，IC50值为 10.1 μM。

4'-O-Methylbavachalcone is isolated from Psoralea corylifolia, inhibits severe acute respiratory syndrome coronavirus (SARS-CoV) papain-like protease (PLpro) activity (IC50: 10.1 μM).

20784-60-5

C21H22O4

338.403

O-Methylbroussochalcone B;4'-O-甲基补骨脂查尔酮

DMSO:Soluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years