(3aS,6R,7aS,8aS,9aR,10S,12R,13S,13aS,14aR,14bR)-6-hydroxy-9a-methoxy-12-((4-methoxybenzyl)oxy)tetradecahydro-3H,4H-10,13-methanobenzo[b]furo[3,4-a]xanthen-1(9aH)-one