Spiro[1-acetyl-2-oxo-(3H)indole-3,2-oxeto[3,2-b](10'-diphenylmethylene- 3',4',9',10'-(3'α,4'α,9'α,10'α)-tetrahedron-4',9'-methanonaphthalene

C₃₄H₂₅NO₃

S.Shanmuga Sundara RajHoong-Kun FunJie, XueJia-Hai, YeHu, CaiJian-Hua, Xu

Acta Crystallographica Section C (1999) 55, 10 1674-1675

a=9.0605(2)Å   b=17.87250(10)Å   c=31.4066(6)Å

α=90.00°   β=90.00°   γ=90.00°