Keywords: Cyclopentenone synth.png en industrial synthesis of cyclopentenone US EP1422212 Liang Shelue; Andrea Haunert Sylvia Huber-Dirr et al Process for preparing cyclopentenone published 2004-11-25 selfmade by mdlevin 2011-01-08 Public Domain Cc-zero Check categories 2011 January 10 en wikipedia Cyclopentenone 1 Cyclic ketones |