147912-41-2 Benzamide, N-((5S,5aS,8aR,9R)-5,5a,6,8,8a,9-hexahydro-9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxofuro(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-yl)-2-hydroxy-