Posted on 23 June 20176 July 2017 by felpin11 – The First Crystal Structure of a Free Neutral Form of a Nicotine Derivative: Molecular Conformation and Hydrogen-Bonding Interactions Evain, M.; Felpin, F.-X.; Laurence, C.; Lebreton, J.; Le Questel, J.-Y. Kristallogr. 2003, 218, 753-760