STUDIES ON THE NOVEL DITERPENIC CONSTITUENTS OF TU-JIN-PI Ⅰ.STRUCTURE OF PSEUDOLARIC ACID A AND PSEUDOLARIC ACID B
LI ZHU-LIAN, PAN DE-JI, HU CHANG-QI, WU QIN-LI, YANG SONG-SONG
Acta Chimica Sinica . 1982, (5): 446 -457 .