Author:
YAMAMOTO G.,HIGUCHI H.,YAMAMOTO H.,OJIMA J.
Reference1 articles.
1. Configurational and Conformational Isomerism of 9,14-Dimethyl-, 2,9,14- Trimethyl- and 9,14,19-Trimethyl-10,11,12,13-tetradehydro(19) annulenones in Neutral and Acidic Solutions;YAMAMOTO;J. Chem. Soc., Perkin Trans. II,1992