Easton, Christopher J.Keller, M.Ruchardt, C.Welle, F. M.Rositano, G.Tiekink, Edward Richard Tom2007-02-252007-02-251997Zeitschrift fur Kristallographie. 212:163-1640044-2968http://hdl.handle.net/2440/5004enRedetermination of the crystal structure of rac-bis(1,4-dimethyl-piperazine-2,5-dione-3-yl), C12H18N4O2Journal article