(+)-Usniacin 是地衣中的二苯并呋喃衍生物，可结合mTOR的 ATP 结合口袋，抑制mTORC1/2的活性。它诱导自噬，有抗菌和抗肿瘤活性。

(+)-Usniacin is a naturally occurring dibenzofuran derivative found in several lichen species.

7562-61-0

C18H16O7

344.32

松萝酸;(+)-地衣酸;D-Usnic Acid;(+)-Usniacin

Ethanol:<1 mgml
H2O:<1 mgml
DMSO:4 mg/mL (11.61 mM),warmed
Powder: -20°C for 3 years
In solvent: -80°C for 2 years