@article{FrolowBatsEngels2009,
  author    = {Olga Frolow and Jan W. Bats and Joachim W. Engels},
  title     = {3-Ethynyl-2,2,5,5-tetramethyl-1-oxyl-3-pyrroline},
  journal   = {Acta crystallographica / Section E, Structure reports online},
  volume    = {65},
  number    = {o1848},
  doi       = {10.1107/S1600536809026725},
  year      = {2009},
}