3R,4R-Bis((4-hydroxy-3-methoxyphenyl)methyl)dihydro-2(3H)-furanoneArtigenin congener(alphaR,betaR)-alpha,beta-Bis(4-hydroxy-3-methoxybenzyl)butyrolactone(-)-MatairesinolMatairesinolDibenzylbutyrolactone lignanolide(αR,βR)-α,β-双(4-羟基-3-甲氧苯基)丁内酯(αR,βR)-α,β-Bis(4-hydroxy-3-methoxybenzyl)butyrolactone罗汉松脂酚Matairesinol