2-Hydroxy-1-(8-hydroxy-8-hydroxymethyl-2,4b-dimethyl-2,3,4,4a,4b,5,6,7,8,8a,9,10-dodecahydro-phenanthren-2-yl)-ethanone InChI=1/C19H30O4/c1-17(16(22)11-20)9-6-14-13(10-17)4-5-15-18(14,2)7-3-8-19(15,23)12-21/h10,14-15,20-21,23H,3-9,11-12H2,1-2H3/t14-,15+,17+,18+,19+/m1/s ent-19-nor-4,16,18-trihydroxy-8(14)-pimaren-15-one ethanone, 1-[(2S,4aR,4bS,8R,8aS)-2,3,4,4a,4b,5,6,7,8,8a,9,10-dodecahydro-8-hydroxy-8-(hydroxymethyl)-2,4b-dimethyl-2-phenanthrenyl]-2-hydroxy- rel-2-hydroxy-1-[(2R,4aS,4bR,8S,8aR)-8-hydroxy-8-(hydroxymethyl)-2,4b-dimethyl-2,3,4,4a,4b,5,6,7,8,8a,9,10-dodecahydrophenanthren-2-yl]ethanone