9-(2,4-Difluorophenyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-2<i>H</i>-xanthene-1,8-dione

C₂₃H₂₄F₂O₃

Rizwana Begum, S.Hema, R.Sumathi, G.Valliappan, R.Srinivasan, N.

Acta Crystallographica Section E (2014) 70, 3 o276-o277

a=9.6810(4)Å   b=10.4290(4)Å   c=11.8840(5)Å

α=69.288(2)°   β=74.895(2)°   γ=63.406(2)°