JOURNAL OF NATURAL PRODUCTS® (LLOYDIA) P u b l i s h e d b y THE AMERICAN SOCIETY OF PHARMACOGNOSY and THE LLOYD LIBRARY A N D MUSEUM 9 1 7 PLUM STREET, CINCINNATI, OHIO 4 5 2 0 2 Editor
A. DOUGLAS KINGHORN C o l l e g e of P h a r m a c y U n i v e r s i t y of I l l i n o i s a t C h i c a g o Chicago, Illinois 6 0 6 1 2 Editorial
Associate Editor and Book Review Editor D A V I D G.I.
KINGSTON
Department of Chemistry Virginia Polytechnic Institute and State University Blacksburg, Virginia 2 4 0 6 1 Associate Editor H A R R Y H.S.
FONG
College of Pharmacy University of Illinois at Chicago Chicago, Illinois 6 0 6 1 2 Associate Editor R I C H A R D G.
POWELL
National Center for Agricultural Utilization Research, USDA, ARS 1815 N o r t h University Street Peoria, Illinois 6 1 6 0 4 Managing
Editor
S U S A N C.
STITES
c/o T h e L l o y d Library 9 1 7 P l u m Street Cincinnati, O h i o 4 5 2 0 2 Editorial
Assistant
M A R Y N E L K.
RYAN
College of Pharmacy U n i v e r s i t y o f I l l i n o i s at C h i c a g o Chicago, Illinois 6 0 6 1 2
Advisory
Board
J O H N M. CASSADY
JAMES E. ROBBERS
Columbus, Ohio
West Lafayette, Indiana
CHING-JER C H A N G
J O H N P. ROSAZZA
West Lafayette, Indiana
Iowa City, Iowa
GEOFFREY A. CORDELL
USHIO SANKAWA
Chicago, Illinois
Tokyo, Japan
N O R M A N R.
PAUL J. SCHEUER
FARNSWORTH
Chicago, Illinois
Honolulu, Hawaii
WILLIAM FENICAL
PAUL L. SCHIFF, JR.
La Jolla, California
Pittsburgh, Pennsylvania
H E I N Z G. FLOSS
YUZURU SHIMIZU
Seattle, Washington
Kingston, Rhode Island
K U O - H S I U N G LEE
FRANK R. STERMITZ
Chapel Hill, North Carolina
Fort Collins, Colorado
KOJI NAKANISHI
O T T O STICHER
New York, New York
Zurich, Switzerland
S. WILLIAM PELLETIER
VARRO E. TYLER
Athens, Georgia
West Lafayette, Indiana
GEORGE R. ΡETTIT
ROBERT VERPOORTE
Tempe, Arizona
Leiden, The Netherlands
J. DAVID PHILLIPSON London, England
Munich, Germany
PIERRE POTIER
MONROE E. WALL
Gif-sur-Yvette, France
Research Triangle Park, North Carolina
HILDEBERT W A G N E R
KENNETH L. RINEHART
Urbana-Champaign, Illinois
A l l manuscripts and correspondence d e a l i n g w i t h editorial matters should be addressed to the editor. T h e title word for this journal for use in bibliographic refere n c e is J O U R N A L O F N A T U R A L P R O D U C T S ® , abbreviated as J. Nat. Prod. T h e paper in this publication m e e t s t h e requirem e n t s of t h e A N S I Standard Z 3 9 . 4 8 - 1 9 8 4 (Permanence o f Paper) effective w i t h V o l u m e 4 7 , Issue N o . 2 . COMMERCIAL SUBSCRIPTIONS.-Subscription orders from libraries, institutions, commercial firms, and similar organizations will be treated as c o m m e r c i a l subscriptions. A l l matters related to commercial s u b scriptions, such as b i l l i n g , c h a n g e of address, ordering procedures, etc., should be addressed to: Journal o f N a t u r a l P r o d u c t s ® , c/o D a v i d J. Slatkin, P h . D . , Treasurer, A m e r i c a n Society of Pharmacognosy, C h i c a g o C o l l e g e of Pharmacy, 5 5 5 3 1 s t Street, D o w n e r s G r o v e , IL 6 0 5 1 5 U . S . A . P h o n e ( 7 0 8 ) 9 7 1 - 6 4 1 7 , F A X ( 7 0 8 ) 971-6097. D o m e s t i c Commercial Subscriptions: $ 2 0 0 . 0 0 , in-
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