(3S,5R)-methyl 3-acetoxy-5-((methylsulfonyl)oxy)cyclohex-1-enecarboxylate

(3S,5R)-methyl 3-hydroxy-5-((methylsulfonyl)oxy)cyclohex-1-enecarboxylate

(-)-Methyl 3-hydroxy-1,5-cyclohexadiene-1-carboxylate

(6aS,7aR,8aR,9S,9aR)-9-((tert-butyldimethylsilyl)oxy)-4-hydroxy-6-(4-methoxybenzyl)-6a,7,7a,8a,9,9a-hexahydro-[1,3]dioxolo[4,5-j]oxireno[2,3-b]phenanthridin-5(6H)-one

(3aS,3bR,12S,12aR)-6,12-dihydroxy-4-(4-methoxybenzyl)-2,2-dimethyl-3b,4,12,12a-tetrahydrobis([1,3]dioxolo)[4,5-c:4',5'-j]phenanthridin-5(3aH)-one