Compound 4b

C₅₈H₃₆O₄

Wackerly, Jay WmZhang, MengfeiNodder, Stephen T.Carlin, Stephen M.Katz, Jeffrey L.

Organic letters (2014) 16, 11 2920-2922

a=12.469(4)Å   b=14.085(4)Å   c=14.436(4)Å

α=114.938(4)°   β=101.497(5)°   γ=98.755(5)°