5,5,8,8-Tetra-n-butyl-1,2-dihydroimidazo[1,2,3-ij][1,8]naphthyridine- 4,6,7,9(5H,8H)tetraone

C₂₂H₃₂N₂O₄

Guozhong YeAihua ZhouWilliam P. HenryYingquan SongSabornie ChatterjeeDebbie J. BeardPittman, Jr., Charles U.

Journal of Organic Chemistry (2008) 73, 5170-5172

a=10.815(9)Å   b=11.663(10)Å   c=21.724(18)Å

α=90.008(15)°   β=90.126(16)°   γ=104.101(15)°