2-Methyl-cyclopent-2-enecarboxylic acid ((R)-1-phenyl-ethyl)-amide
N-1',3'-butadienyl-N-((R)-(+)-α-methylbenzyl)-2-methyl-2-cyclopentene-1-carboxylic amide
N-(diphenylmethyl)-N-(4'-methyl-3'-methylene-1'-pentenyl)-2-methyl-2-cyclopentene-1-carboxylic amide
N-(diphenylmethyl)-N-(3'-cyclopropyl-1',3'-butadienyl)-2-methyl-2-cyclopentene-1-carboxylic amide
(1S,4R,8S,11R)-11-methyl-3-<(R)-α-phenethyl>-3-azatricyclo<6.2.1.04,11>undec-5-en-2-one