(S)-Lisofylline is the inactive optical enantiomer of (R)-lisofylline which is an anti-inflammatory agent. (S)-Lisofylline is exclusively converted to pentoxifylline in human liver microsomes.

Senkyunolide A is a natural product isolated from Ligusticum chuanxiong Hort, with anti-tumor activity.To determine the equilibrium solubility of senkyunoide and its partition coefficients for the n-octanol-water/buffer solution systems,so as to provide a basis for new formulations designing.

Xanthopterin Hydrate is isolated from butterfly wings and could replace folic acid in the nutrition of many animal species.