(1α,2β,3α,6α,7β,8α,9β,13β)-9,13-dibromo-11-methyl-11-aza- 14,15-dioxa-11-pentacyclo [6.5.1.1^3,6^.0^2,7^.0^9,13^] pentadec-4-en-10,12-dione

C₁₃H₁₁Br₂NO₄

Warrener, Ronald N.Maksimovic, L.Kennard, Colin H. L.

Acta Crystallographica Section C (1997) 53, 10 1501-1502

a=7.3770(10)Å   b=18.664(3)Å   c=9.897(2)Å

α=90.00°   β=95.314(8)°   γ=90.00°