title: [On the active agents of valerian].
abstract: C13-NMR-shifts of valepotriates show a quite characteristic dependence on type and position of the acyloxy substituents. The structure of well known and new valepotriates have been clarified.
authors.affiliation: Kali-Chemie AG, Sparte Pharma, D-3000 Hannover, Bundesrepublik Deutschland.
authors.forename: P W
authors.initials: PW
authors.lastname: Thies
authors.forename: E
authors.initials: E
authors.lastname: Finner
authors.forename: S
authors.initials: S
authors.lastname: David