... View issue TOC Volume 118, Issue 4 January 16, 2006 Pages 602–605. ... 12 Crystal data: C 30 H 46 N 4 O 4 , M r =526.71 g mol −1 ... Kevin Burgess, A Multifaceted Secondary Structure Mimic Based On Piperidine-piperidinones, Angewandte Chemie International Edition, 2014, 53 ...