| 6a,8a- | dihydroxy-3-oxoeudesma-1,4-dien-12-oic Acid 12,6-Lactone |
| (3S,3aR,4S,5aS,9bS)-4- | hydroxy-3,5a,9-trimethyl-3a,4,5,9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione |
| (3S,3aR,4S,5aS,9bS)-4- | hydroxy-3,5a,9-trimethyl-3a,5,5a,9b-tetrahydro-3H,4H-naphtho[1,2-b]furan-2,8-dione |
| (3S,3aR,4S,5aS,9bS)-4- | hydroxy-3,5a,9-trimethyl-3a,5,5a,9b-tetrahydronaphtho[1,2-b]furan-2,8(3H,4H)-dione |
| 8- | hydroxysantonin |
| | naphtho[1,2-b]furan-2,8(3H,4H)-dione, 3a,5,5a,9b-tetrahydro-4-hydroxy-3,5a,9-trimethyl-, (3S,3aR,4S,5aS,9bS)- |
| (3S-(3alpha,3aalpha,4alpha,5abeta,9bbeta))-3a,5,5a,9b- | tetrahydro-4-hydroxy-3,5a,9-trimethyl naphtho(1,2-b)furan-2,8(3H,4H)-dione |
| 3a,5,5a,9b- | tetrahydro-4-hydroxy-3,5a,9-trimethylnaphtho[1,2- b]furan-2,8(3H,4H)-dione |
| [3S-(3a,3aa,4a,5ab,9bb)]-3a,5,5a,9b- | tetrahydro-4-hydroxy-3,5a,9-trimethylnaphtho[1,2-b]furan-2,8(3H,4H)-dione |