2-HYDROXYMETHYL-2-CYCLOPENTENONE
Submitted by: Amos B. Smith, III, Stephen J. Branca, Michael A. Guaciaro, Peter M. Wovkulich, and Abner Korn
Published in Collective Volume 7 p. 271, Annual Volume 61 p. 65

cis-α,β-UNSATURATED ACIDS: ISOCROTONIC ACID
Submitted by: C. Rappe
Published in Collective Volume 6 p. 711, Annual Volume 53 p. 123

DIPHENYLCYCLOPROPENONE
Submitted by: R. Breslow and J. Posner
Published in Collective Volume 5 p. 514, Annual Volume 47 p. 62