AbstractThe acetone extract of fresh leaves of Pittosporum viridiflorum viridiflorum afforded new sesquiterpene glycosides, 4‐O‐β‐D‐glucopyranosylgermacra‐1(10),5‐diene and its 6′‐O‐acetyl and 2′‐O‐acetyl derivatives, the structures of which were elucidated by NMR methods. Copyright © 2001 John Wiley & Sons, Ltd.