Pterocarpus santalinus, Fabaceae, tropolone, acorane, norlignan, nitric oxide
Neopestalotiopsis clavispora, A new α-pyrone, A new tetramic acid derivative, Estrogenic activity
Pleurotus citrinopileatus, adenosine derivatives, sulfur-containing nucleosides, 5′-deoxy-5′-(methylsulfonyl)adenosine