p. 7115 - 7118
(1994)p. 5001 - 5009
(2010/02/15)p. 3369 - 3378
(2007/10/03)1-((R)-1-Phenyl-ethyl)-5-[3-phenyl-prop-(E)-ylidene]-pyrrolidin-2-one
5-hydroxy-1-((R)-1-phenylethyl)pyrrolidin-2-one
1'-(1-phenylethyl)-1,2,3,4-tetrahydrospiro[naphthalene-1,2'-pyrrolidin]-5'-one
(R)-(1'-phenylethyl)-4-oxo-6-phenylhexanamide
(R)-1-(1'-phenylethyl)-5-(3-phenylpropylidene)-pyrrolidin-2-one