Wiktionary
levophacetoperane
n. A psychostimulant drug, the reverse ester of methylphenidate.
Wikipedia
Levophacetoperane
Levophacetoperane (Lidépran, Phacétoperane) is a psychostimulant developed by Rhône-Poulenc in the 1950s. The drug has been used as an antidepressant and anorectic. It is the reverse ester of methylphenidate.