(5S-(5alpha,6beta,8alpha,9beta))-4-((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)amino)benzonitrile 127882-56-8