Three new tricyclic cis-clerodane type diterpenoids trivially named as limbatolide A (1),
limbatolide B (2) and limbatolide C (3) have been isolated from the roots of Otostegia …

Two new tricyclic clerodane-type diterpenoids, limbatolide D (1) and limbatolide E (2), have
been isolated from the roots of Otostegia limbata. Their structures and the relative …

Phytochemical investigation of the ethyl acetate extract of Lycopodiastrum casuarinoides
(Spring) Holub (Lycopodiaceae) led to the isolation of nine compounds, including two new …

Three new labdane diterpenoids, leojaponicone A (1), isoleojaponicone A (2) and
methylisoleojaponicone A (3), were isolated from the herb of Leonurus japonicus. The …

One new sesquiterpene dilactone, coccinine (1) and one new β-carboline alkaloid,
daibucarboline F (2) together with 10 known compounds; linderane (3), linderalactone (4) …

New lycoctonine-type dual cholinesterase inhibitor, swatinine-C (1), along with three known
norditerpenoid alkaloids, hohenackerine (2), aconorine (5) and lappaconitine (6) and two …

Four new trace alkaloids with lycodine-related structures, Lycocasuarinines A–D (1–4),
together with seven known analogues (5–11), were isolated from the chloroform extract of …

Three new lycopodine-type alkaloids, 4 α-hydroxyanhydrolycodoline (1), 4 α, 6 α-
dihydroxyanhydrolycodoline (2), and 6-epi-8 β-acetoxylycoclavine (3), and an artifact …

Four new lycodine-type alkaloids, namely 16-hydroxyhuperzine B (1), N-methyl-11-
acetoxyhuperzine B (2), 8, 15-dihydrolycoparin A (3) and (7 S, 12 S, 13 R)-huperzine D-16 …

The phytochemical investigation of the methanol extract of the bark of Croton oligandrus
Pierre ex Hutch yielded a new clerodane-type diterpenoid crotoliganfuran (1) along with ten …