Methyl 3-O-feruloylquinate inhibits the activity of bacteria and viruses and to regulate immunity.

6-chloro-1-ethyl-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid is a compound used as a molecular building block.

Justicidin C is an antiviral lignan. Justicidin C shows strong antiviral activity against vesicular stomatitis virus and low cytotoxicity against rabbit lung cells (RL-33) .