A new naphthoquinone,()-3-[2-(acetyloxy) propyl]-2-hydroxy-8-methoxy-1, 4-
naphthoquinone (1) was isolated from the bulb of Eleutherine americana MERR. et HEYNE …

Eight previously undescribed diterpenoids of different types were isolated from ethyl acetate
extract of the aerial parts of Euphorbia antiquorum L., along with fifteen known diterpenoids …

Two new lathyrane diterpenoids, euphanoids A and B (1 and 2), along with five known
compounds (3–7) were isolated from the roots of Euphorbia kansuensis. Their structures …

Abstract Ten ent-abietane diterpenoids (1–10), including four new (1–4) and six known ones
(5–10) were isolated from the roots of Euphorbia ebracteolata. Their structures were …

Seven new naphthoquinone derivatives, named eleutherins AG (1–7), were isolated from
the edible bulbs of Eleutherine americana (Hong-Cong), which belongs to the Iridaceae …

Two ingenane-(1 and 2), two ent-atisane-(3 and 4), two ent-kaurane-(5 and 6), two ent-
abietane-(7 and 8), and one ent-isopimarane-type (9) diterpenoid and 12 known analogues …

The methanolic extract from the flowers of Angelica furcijuga KITAGAWA was found to inhibit
nitric oxide production in lipopolysaccharide-activated mouse peritoneal macrophages …

A new naphthoquinone, named eleuthinone A (8), two new anthraquinones, named
eleuthraquinone A and B (12, 13), a naphthalene derivative, named eleucanarol (14) were …

Four new lathyrane-type diterpenoids (1–4) and a novel macrocyclic diterpenoid (5)
featuring a 5/7/7/4-fused ring system, together with seventeen known ones (6–22), were …

A total of 18 diterpenoids, including 10 new analogues (1–10), were isolated from Euphorbia
antiquorum. The structures were characterized by spectroscopic techniques, and circular …