Chemical constituents of the Vietnamese plants Dalbergia tonkinensis Prain and Cratoxylum formosum (Jack) Dyer in Hook and their DPPH radical scavenging activities
Phytochemical investigations of the leaves and roots of Dalbergia tonkinensis led to the isolation of a new isoflavone glycoside derivative, isocaviunin 7-O-β-D-apiofuranosyl-(1 → 6)-β-D-glucopyranoside (1), and a new scalemic sesquiterpene lactone, 3,7-d