@article{Jeromin2007,
  author    = {G{\"u}nter Erich Jeromin},
  title     = {Tetrabenzo[a,c,h,j]phenoxazine-18-yl a new stable neutral radical},
  journal   = {Tetrahedron Letters . 42 (2001), H. 10},
  pages     = {1863 -- 1865},
  year      = {2007},
}