[1,2-b]pyran
(2S,3R,4bS,6aS,9aS,15bS,15cR,17aS)-4b-hydroxy-2-(2-hydroxypropan-2-yl)-10,10,12,12,15b,15c-hexamethyl-3,4b,5,6,6a,7,9,9a,10,12,15,15b,15c,16,17,17a-hexadecahydro-2H-chromeno[5',6':6,7]indeno[1,2-b]pyrano[4',3':3,4]cyclopenta[1,2-f]indol-3-yl acetate
(2S,3R,4bS,6aS,9S,9aR,15bS,15cR,17aS)-2-(2-hydroxypropan-2-yl)-10,10,12,12,15b,15c-hexamethyl-2,3,5,6,6a,7,9,9a,10,12,15,15b,15c,16,17,17a-hexadecahydro-4bH-chromeno[5',6':6,7]indeno[1,2-b]pyrano[4',3':3,4]cyclopenta[1,2-f]indole-3,4b,9-triol
(2S,3R,4bS,6aS,9S,9aR,15bS,15cR,17aS)-4b,9-dihydroxy-2-(2-hydroxypropan-2-yl)-10,10,12,12,15b,15c-hexamethyl-3,4b,5,6,6a,7,9,9a,10,12,15,15b,15c,16,17,17a-hexadecahydro-2H-chromeno[5',6':6,7]indeno[1,2-b]pyrano[4',3':3,4]cyclopenta[1,2-f]indol-3-yl acetat
(4aR,5aR)-6,7,7aα,8,10aα,10b-Hexahydro-5a,10bβ-dimethyl-8-methylene-2H-furo[3,2:6,7]oxireno[2,3]cyclohepta[1,2-b]pyran-2,9(5aH)-dione