A new phenanthrene with a spirolactone ring from Dendrobium ochreatum

Authors

Natthaphitcha Khunsantiphong

May Thazin Thant

Chattarika Pengdee

Thanarat Salahong

Hnin Ei Ei Khine

Pithi Chanvorachote

Chatchai Chaotham

Boonchoo Sritularak