@article{BatsFrolowEngels2009,
  author    = {Jan W. Bats and Olga Frolow and Joachim W. Engels},
  title     = {4-Ethynyl-2,2,6,6-tetramethyl-1,2,5,6-tetrahydropyridine N-oxide},
  doi       = {10.1107/S1600536809004681},
  year      = {2009}
}