Diffractaic acid 是松萝的主要成分，具有止痛和解热效果，在各种疾病研究中可作为有效的促凋亡剂。

Diffractaic Acid can inhibit LTB4 biosynthesis in A-23187-stimulated bovine PMNL cells with activity value of 8 μM.

436-32-8

C20H22O7

374.389

NSC 5901;地弗地衣酸;NSC 685595

DMSO:10 mM
Powder: -20°C for 3 years
In solvent: -80°C for 2 years