β-​D-​Glucopyranoside, (1S,​2R,​4aR,​6aS,​6bR,​8aR,​10S,​12aR,​12bR,​14aR,​14bS)​-​hexadecahydro-​1-​hydroxy-​1,​6b,​9,​9,​12a-​pentamethyl-​2-​(2-​methyl-​1-​propen-​1-​yl)​-​4a,​6a-​methano-​1H,​6H-​phenanthro[2,​1-​d]​pyrano[2,​3-​b]​pyran-​10-​yl 3-​O