Two New Steroidal Alkaloids from Veratrum nigrum L.

Two New Steroidal Alkaloids from Veratrum nigrum L. Steroidal alkaloids from Veratrum nigrum (−)-Veranigrine, a new steroidal alkaloid from Veratrum nigrum L. (−)-Veranigrine, a new steroidal alkaloid from Veratrum nigrum L. Two new steroidal alkaloids from Veratrum nigrum var. ussuriense Steroidal Alkaloids from the Roots and Rhizomes of Vertrum nigrum L. (+)-Verussurine, a New Steroidal Alkaloid from the Roots and Rhizomes of Veratrum nigrum var. ussuriense and Structure Revision of (+)-Verabenzoamine Two New Steroidal Alkaloids, 20-Isoveratramine and Verapatuline, from the Roots and Rhizomes of Veratrum patulum Two New Steroidal Alkaloids, 20-Isoveratramine and Verapatuline, from the Roots and Rhizomes of <i>Veratrum </i><i>p</i><i>atulum</i> Studies on the constituents of Veratrum plants. II. Constituents of Veratrum nigrum L. var. ussuriense. (1). Structure and 1H- and 13C-nuclear magnetic resonance spectra of a new alkaloid, verussurinine, and related alkaloids.