@article{19682073, title={Syntheses of trans-Isoflavan-4-ols}, author={Shozo Yamaguchi and Shoei Ito and Ikuko Suzuki and Naoto Inoue}, journal={Bulletin of the Chemical Society of Japan}, volume={41}, number={9}, pages={2073-2077}, year={1968}, doi={10.1246/bcsj.41.2073} }