Alnus hirsuta Turczaninow ex Ruprecht

Hirsutanonol ((5S)-Hirsutanonol) is a diarylheptanoid that can be isolated from the bark of Alnus hirsute var. sibirica. Hirsutanonol inhibits cyclooxygenase-2 (COX-2) expression. Hirsutanonol has anti-filarial with an IC₅₀ value of 44.11 μg/mL for microfilariae.

(Rac)-Centrolobol is a racemic isomer of Centrolobol (HY-N3564). Centrolobol is a diarylheptane compound with antioxidant and anti-inflammatory properties, which exists in the fermented stems of Alnus sibirica. Centrolobol scavenges DPPH free radicals and inhibits the production of NO in LPS-stimulated immune cells. Centrolobol can be used in studies related to anti-inflammation and antioxidation.

Muricarpone B is a natural product.

(5R)-Platyphyllone is a natural product that can be isolated from Alnus hirsuta.

Hirsutanonol 5-O-glucoside is a diarylheptanoid derivatives that can be isolated from Alnus hirsuta. Hirsutanonol 5-O-glucoside exhibits significant hepatoprotective effects against t-BHP-induced toxicity in HepG2 cells with 42.8% protection.