9-(4-Bromophenyl)-3,3,6,6-tetramethyl-3,4,6,7-tetrahydro-2H-xanthene- 1,8(5H,9H)-dione

C₂₃H₂₅BrO₃

Bigdeli, M. AliMahdavinia, Gholam HosseinAmani, Vahid

Acta Crystallographica Section E (2007) 63, 8 o3493-o3493

a=5.9667(6)Å   b=19.5626(18)Å   c=17.389(2)Å

α=90.00°   β=97.488(5)°   γ=90.00°