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addenda and errata
1-Acetyl-3-ethyl-r-2,c-6-di-2-furylpiperidin-4-one. Corrigendum
aDepartment of Physics, Rajah Serfoji Govt College (Autonomous), Thanjavur 613 005, Tamil Nadu, India, and bDepartment of Chemistry, Annamalai University, Annamalai Nagar 608 002, Tamil Nadu, India
*Correspondence e-mail: athiru@vsnl.net
(Received 15 August 2006; accepted 17 August 2006; online 23 August 2006)
In the paper by Balamurugan, Thiruvalluvar, Manimekalai, Selvaraju & Maruthavanan [Acta Cryst. (2006), E62, o2005–o2006], the two first sentences in the Abstract contain errors. The correct text is "In the title molecule, C17H19NO4, the piperidine ring adopts a chair conformation. The acetyl group in the 1-position and the ethyl group in the 3-position have equatorial and axial orientations, respectively".