Bicyclo
(1R,2Z,5R,14S)-5-hydroxy-3,7,11,15,15-pentamethylbicyclo[12.1.0]pentadeca-2,6,10-triene-4,9-dione
(1R,2Z,5R,9R,14S,15S)-5,9-dihydroxy-15-(hydroxymethyl)-3,7,11,15-tetramethylbicyclo[12.1.0]pentadeca-2,6,10-trien-4-one
(1R,2Z,5S,6Z,9Z,14R)-5,11-dihydroxy-3,7,11,15,15-pentamethylbicyclo[12.1.0]pentadeca-2,6,9-trien-4-one
(1R,3'R,4R,6R,7R,11Z)-7-hydroxy-3',6,7,14-tetramethyl-8H,17H-spiro[2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-4,2'-oxirane]-3,8,17-trione
(1R,3'R,6R,7S,11Z)-3',6,7,14-tetramethyl-3,8,17-trioxospiro[2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-4,2'-oxiran]-7-yl acetate