[1,2-c]pyran
(3S)-3aα,4a,5,8,8aα,9,10,10aβ-Octahydro-3β,4aβ,9α-trimethylfuro[2,3:5,6]cyclohepta[1,2-c]pyran-2,7(3H,4H)-dione
(4aR)-4aα,5,6,7,7aβ,8,8aβ,8bα-Octahydro-1,8,8-trimethyl-5-methylene-4H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-4-one
(4R)-4-Acetoxy-1-acetoxymethyl-4aα,5,6,7,7aβ,8,8aβ,8bα-octahydro-8,8-dimethyl-5-methylene-4H-cyclopropa[3,4]cyclohepta[1,2-c]pyran
(4R)-4α-Acetoxy-4aα,5,6,7,7aβ,8,8aβ,8bα-octahydro-1,8,8-trimethyl-5-methylene-4H-cyclopropa[3,4]cyclohepta[1,2-c]pyran
(4R)-5-[(1a'S,2R,3a'R,4'R,7a'S,10a'S)-4'-(acetyloxy)-3'-methylidene-1a',2',3',3a',7a',8',9',10a'-octahydro-4'H-spiro[oxirane-2,10'-oxireno[6,7]cyclonona[1,2-c]pyran]-7'-yl]-2-methylpent-2-ene-4,5-diyl diacetate
(4R,5R)-4-Acetoxy-1,8,8-tris(acetoxymethyl)-4,4aα,6,7,7aβ,8,8aβ,8bα-octahydrospiro[5H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5,2-oxirane]
(4R,5S)-4-Acetoxy-1,8,8-tris(acetoxymethyl)-4,4aα,6,7,7aβ,8,8aβ,8bα-octahydrospiro[5H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5,2-oxirane]
(4R,5S)-4-Acetoxy-1,8β-bis(acetoxymethyl)-4,4aα,6,7,7aβ,8,8aβ,8bα-octahydrospiro[5H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5,2-oxirane]-8-methanol
(4R,5S)-4-Acetoxy-4,4aα,6,7,7aβ,8,8aβ,8bα-octahydro-8,8-dimethylspiro[5H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5,2-oxirane]-1-methanol
(4R,5S,8S)-4α-Acetoxy-1,8-bis(acetoxymethyl)-4,4aα,6,7,7aβ,8,8aβ,8bα-octahydro-8-methylspiro[5H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5,2-oxirane]