(2R,3R,4S,5S,6R)-2-[[(1R,4aS,4bR,7S,10aS)-7-[(1R)-1,2-dihydroxyethyl]-1,4a,7-trimethyl-3,4,4b,5,6,9,10,10a-octahydro-2H-phenanthren-1-yl]methoxy]-6-(hydroxymethyl)oxane-3,4,5-triol