Abstract: The present disclosure relates to the field of medicinal chemistry, and specifically to the use in the inhibition of tumor proliferation activity of ester derivatives of brefeldin A represented by Formula (I). The new compounds provided herein are prominent in the prevention or treatment of hyperproliferative diseases, including liver cancer, leukemia, breast cancer, colon adenocarcinoma, gastric cancer, lung cancer, Bart's esophageal cancer, cervical cancer, pancreatic cancer, endometrial cancer, bone cancer, lymphoma, kidney cancer, brain cancer, nerve cancer, nasopharyngeal cancer, oral cancer and colorectal cancer, and have the potential to be developed as novel antitumor agents.

Abstract: Provided are penicinotam derivatives, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt or a prodrug thereof, and a pharmaceutical composition comprising the derivatives. Also provided herein is use of the derivatives and the pharmaceutical compositions in treating diseases caused by inflammation, immune system disorders.

Abstract: Provided are penicinotam derivatives, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt or a prodrug thereof, and a pharmaceutical composition comprising the derivatives. Also provided herein is use of the derivatives and the pharmaceutical compositions in treating diseases caused by inflammation, immune system disorders.

Abstract: Provided herein are quinolinone derivatives and their uses as antiviral drugs, for example, for treatment of HSV-1 infection. Also provided herein are pharmaceutically acceptable compositions comprising the quinolinone derivatives and the uses of the composition in the treatment of diseases caused by HSV-1 virus.

Abstract: Provided herein are quinolinone derivatives and their uses as antiviral drugs, for example, for treatment of HSV-1 infection. Also provided herein are pharmaceutically acceptable compositions comprising the quinolinone derivatives and the uses of the composition in the treatment of diseases caused by HSV-1 virus.