Glycyrol

neoglycyrol

3,9-Dihydroxy-1-methoxy-2-(3-methyl-2-butenyl)-6H-benzofuro[3,2-c][1]benzopyran-6-one

1-Methoxy-2-(3-methyl-2-butenyl)-3,9-dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one