The present disclosure relates to a method of treating one or more inflammation conditions induced by a coronavirus infection in a subject in need thereof, comprising administering a pharmaceutical composition comprising a compound of Formula I or Formula II, wherein R1 is halogen, OH, or —OC(O)C1-5alkyl, R2 and R3 are each independently selected from CO2R4 and CH2OR5; R4 is Li, Na, K, H, C1-5-alkyl, or —CH2CO(C1-5alkyl); and R5 is H or —C(O)(C1-5alkyl), or a pharmaceutically acceptable salt thereof.