tingenin B

22β-Hydroxymaytenin

22β-Hydroxytingenone

3,22β-Dihydroxy-24,29-dinorfriedela-1(10),3,5,7-tetrene-2,21-dione

3,22β-Dihydroxy-24,29-dinor-D:A-friedoolean-1(10),3,5,7-tetrene-2,21-dione