4,11-Bis(4-chlorophenyl)-3,10-bis(2,6-dichlorophenyl)-1,8-dioxa-2,9- diazadispiro[4.1.4.4]pentadeca-2,9-dien-6-one

C₃₅H₂₄Cl₆N₂O₃

Li, Xiao-FangFeng, Ya-QingHu Xiao-FenXu Mian

Acta Crystallographica Section E (2003) 59, 5 o716-o717

a=33.510(9)Å   b=12.419(5)Å   c=32.946(9)Å

α=90.00°   β=95.152(8)°   γ=90.00°