Roques, R., Declercq, J.-P., Germain, G., Graffin, P., Kamenka, JM., & Geneste, P. (1981). [Structure de l’oxime de la diméthyl-3,5 diphényl-2,6 pipéridone-4]. Acta Crystallographica. Section B: Structural Science, 37(MAR), 712-714. https://doi.org/10.1107/S0567740881004044 (Original work published 1981)