tert-butyl 2-((5aS,6S,9aR)-1-((1,3-dioxolan-2-yl)methyl)-6-(tert-butyldimethylsilyloxy)-4-methoxy-5a,6,9,9a-tetrahydrodibenzo[b,d]furan-9a-yl)ethyl(methyl)carbamate

3‐((3S,3aS,3a1R,9S,9aS)‐3‐((tert‐butyldimethylsilyl)oxy)‐9‐hydroxy‐5‐methoxy‐3,3a,3a1,8,9,9a‐hexahydrophenanthro[4,5‐bcd]furan‐3a-1‐yl)propyl acetate

3‐((5aS,6S,9aR)‐6‐((tert‐butyldimethylsilyl)oxy)‐1‐(2‐hydroxyacetyl)‐4‐methoxy‐5a,6,7,9atetrahydrodibenzo[b,d]furan‐9a‐yl)propyl acetate

2-((1S,3S,3aS,3a1R,9aR)-3-((tert-butyldimethylsilyl)oxy)-1-((dimethylamino)oxy)-5-methoxy-1,3,3a,9a-tetrahydrophenanthro[4,5-bcd]furan-3a1(2H)-yl)-N-methylethan-1-amine