[1,2-c]pyran
(1aS,1bS,2S,5aS,6aS)-Methyl 2-((tert-butyldimethylsilyl)oxy)-1a-(hydroxymethyl)-1a,1b,2,5a,6,6a-hexahydrooxireno[2',3':4,5]cyclopenta[1,2-c]pyran-5-carboxylate
(1aS,2S,6S,6aS)-2-(hexopyranosyloxy)-1a-(hydroxymethyl)-1a,1b,2,5a,6,6a-hexahydrooxireno[4,5]cyclopenta[1,2-c]pyran-6-yl (1S)-1-(hexopyranosyloxy)-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylate
(1aS,2S,6S,6aS)-2-(hexopyranosyloxy)-1a-(hydroxymethyl)octahydrooxireno[4,5]cyclopenta[1,2-c]pyran-6-yl (1S)-1-(hexopyranosyloxy)-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylate
(1R,4S)-4,4aβ,5,6,7,10-Hexahydro-1α,6β,9-trihydroxy-4-methyl-8-isopropyl-3H-4β,10bβ-propano-1H-naphtho[1,2-c]pyran-7,10-dione
(3aR)-3,3aα,4,4a,7,8,8aα,9,10,10aα-Decahydro-4aβ,9α-dimethyl-3-methylenefuro[2,3:5,6]cyclohepta[1,2-c]pyran-2,5-dione
(3aR)-3aα,4,4a,5,7,8,8aα,9,10,10aα-Decahydro-5α,8α-dihydroxy-4aβ,9α-dimethyl-3-methylenefuro[2,3:5,6]cyclohepta[1,2-c]pyran-2(3H)-one
(3aR)-3aα,4,4a,5,7,8,8aα,9,10,10aβ-Decahydro-3-methylene-4aβ,9α-dimethyl-8α-hydroxy-5α-(2-methylbutanoyloxy)furo[2,3:5,6]cyclohepta[1,2-c]pyran-2(3H)-one
(3aR,4aS,5R,7R,8aS,9R,10aR)-5-ethoxy-7-hydroxy-4a,9-dimethyl-3-methylidenedecahydrofuro[2',3':5,6]cyclohepta[1,2-c]pyran-2(3H)-one
(3aR,4aS,8aS,9R,10aR)-3a,4a,5,8,8a,9,10,10a-Octahydro-4a,9-dimethyl-3-methylenefuro[2,3:5,6]cyclohepta[1,2-c]pyran-2,7(3H,4H)-dione
(3R)-3aα,4a,5,8,8aα,9,10,10aβ-Octahydro-3,4aβ,9α-trimethylfuro[2,3:5,6]cyclohepta[1,2-c]pyran-2,7(3H,4H)-dione