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

C₃₅H₂₆Cl₄N₂O₃

Li, Xiao-FangFeng, Ya-QingYao,Guang-YuanYou, Xu-Dong

Acta Crystallographica Section E (2003) 59, 11 o1852-o1853

a=9.095(3)Å   b=13.010(4)Å   c=14.078(4)Å

α=79.674(5)°   β=86.207(5)°   γ=72.793(4)°