1-Hydroxy-3,5′-diisopropyl-7,7,10a-trimethyl-6a,7,8,9,10,10a-hexahydro-5H-spiro[acephenanthrylene-4,2′-bicyclo[3.1.0]hexane]-2,5(6H)-dione

1-Hydroxy-3,5′-diisopropyl-7,7,10a-trimethyl-6a,7,8,9,10,10a-hexahydro-5H-spiro[acephenanthrylene-4,2′-bicyclo[3.1.0]hexane]-2,5(6H)-dione

Spiro[acephenanthrylene-4(5H),2′-bicyclo[3.1.0]hexane]-2,5(6H)-dione, 6a,7,8,9,10,10a-hexahydro-1-hydroxy-7,7,10a-trimethyl-3,5′-bis(1-methylethyl)-

Chamaecydin

Isochamaecydin