phenanthro,indeno,furan,lupan,deriv
Furan
152340-10-82H-Naphtho[1,8-bc]furan-2-one,4-(acetyloxy)-6-[2-(2,5-dihydro-5-oxo-3-furanyl)ethyl]-4,5,5a,6,7,8,8a,8b-octahydro-7-hydroxy-6,7,8b-trimethyl-,[4S-(4a,5aa,6a,7a,8aa,8ba)]-
152340-00-6Butanoicacid,7,8,11-tris(acetyloxy)-1,2a,5,7,7a,8,9,9a,10a,10b,11,12a-dodecahydro-9-hydroxy-4,7a,10a,12a-tetramethyl-1-oxo-6H-oxireno[c]oxireno[5',6']benzo[1',2':4,5]cyclodeca[1,2-b]furan-6-ylester, [2aS-(2aR*,3Z,6R*,7S*,7aS*,8S*,9R*,9aR*,10aS*,10bR*,11R*
152340-01-76H-Benzo[4,5]cyclodec[1,2-b]oxireno[c]furan-1(13aH)-one,6,7,8,12-tetrakis(acetyloxy)-2a,5,7,7a,8,9,10,11,11a,12-decahydro-9,10-dihydroxy-4,7a,11,13a-tetramethyl-,[2aS-(2aR*,3Z,6R*,7S*,7aS*,8S*,9S*,10S*,11S*,11aR*,12R*,12aR*,13aS*)]-