title: Condensed tannins. 7. Isolation of (-)-7:3':4'-trihydroxyflavan-3-ol [(-)-fisetinidol], a naturally occurring catechin from black-wattle heartwood.
authors.affiliation: Leather Industries Research Institute, Rhodes University, Grahamstown, South Africa.
authors.forename: D G
authors.initials: DG
authors.lastname: Roux
authors.forename: E
authors.initials: E
authors.lastname: Paulus