153150-83-5 6H-10,12a-Epoxy-4,7-methanofuro[3,2-c]oxacycloundecin-2,6(3H)-dione,14-(acetyloxy)-3a,4,7,8,9,10-hexahydro-3a,7-dihydroxy-3,11-dimethyl-,(3R*,3aR*,4S*,7R*,10R*,12aR*,14R*)-(-)- 138989-39-6 6,15b-(Epoxyethano)-11H,15bH-naphtho[2,3-d]naphtho[2,3-b:6,7-c']dipyran-5,9,14,16-tetrone,5a,6,10,13-tetrahydro-4,8,15-trihydroxy-2-methoxy-6,11,13,18-tetramethyl-,[5aS-(5aa,6b,11a,13a,15bb,18S*)]-