(5R-(5alpha,5abeta,8aalpha,9alpha))-5-(5,5a,6,8,8a,9-Hexahydro-9-hydroxy-6-oxofuro(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-yl)-3-methoxy-3,5-cyclohexadiene-1,2-dione 3,5-Cyclohexadiene-1,2-dione, 5-((5R,5aR,8aR,9R)-5,5a,6,8,8a,9-hexahydro-9-hydroxy-6-oxofuro(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-yl)-3-methoxy- 3,5-Cyclohexadiene-1,2-dione, 5-(5,5a,6,8,8a,9-hexahydro-9-hydroxy-6-oxofuro(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-yl)-3-methoxy-, (5R-(5alpha,5abeta,8aalpha,9alpha))- 50905-41-4 82536-55-8