(1R,2R,5(1)S,9R,2'R,4'R,5'S)-2,10,10- triméthyl-3-oxa-6-azatricyclo[7.1.1.0^2,7^]undeca-5-spiro[1'(2',4',5'- triméthylcyclohexane)]-6-ène-4-one

C₂₀H₃₁NO₂

Chiaroni, A.Riche, C.Lavergne, J.-P.Sadoune, M.Viallefont, P.Vidal, Y.

Acta Crystallographica Section C (1994) 50, 7 1122-1124

a=6.241(6)Å   b=7.319(7)Å   c=10.505(15)Å

α=84.65(3)°   β=94.83(2)°   γ=100.80(3)°