166547-57-5

Furo[2,3,4-de]-1-benzopyran-5(2H)-one,octahydro-2,8b-dimethyl-8a-(2,3,4,5-tetrahydro-3-hydroxy-5-oxo[2,3'-bifuran]-4-yl)-,[2a,3ab,5ab,8ab(2R*,3S*,4R*),8bb]-(-)-