Li, Hongqi 4-(4-Carboxy-benz-yl)-1-methyl-piperazin-1-ium picrate. [electronic resource] - Acta crystallographica. Section E, Structure reports online Feb 2009 - o518 p. digital Publication Type: Journal Article ISSN: 1600-5368 Standard No.: 10.1107/S1600536809004474 doi