J O U R N A L O F 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, O H I O 4 5 2 0 2 Editor
Managing J A M E S Ε. R O B B E R S S c h o o l of P h a r m a c y a n d P h a r m a c a l Sciences Purdue University W e s t Lafayette, I n d i a n a 4 7 9 0 7
Associate
SUSAN C . STITES
c/o T h e S p a h r & G l e n n C o . 2 2 5 E. S p r i n g St. C o l u m b u s , O h i o 4 3 2 15 Associate Editor Book Review
Editor J E R R Y L.
Editor
MCLAUGHLIN
and Editor
D A V I D G.I.
S c h o o l of P h a r m a c y a n d P h a r m a c a l Sciences Purdue University W e s t Lafayette, Indiana 4 7 9 0 7
KINGSTON
D e p a r t m e n t of C h e m i s t r y Virginia Polytechnic Institute and State University Blacksburg, Virginia 2 4 0 6 1
Editorial
Advisory
Board
J A C K L. BEAL
E D W A R D LEETE
HENRY RAPOPORT
Columbus, Ohio
Minneapolis, Minnesota
Berkeley, California
L Y N N R. B R A D Y
T O M J.
J O H N P. R O S A Z Z A
Seattle, W a s h i n g t o n
Austin, Texas
Iowa City, Iowa
J O H N M. C A S S A D Y
M A R V I N H.
PAUL L. SCHIFF, J R .
W . Lafayette, Indiana
Stockton, California
P i t t s b u r g h , Pennsylvania
G E O F F R E Y A. C O R D E L L
KOJI NAKANISHI
MAURICE SHAMMA
Chicago, Illinois
N e w York, N e w York
University Park, Pennsylvania
R A Y M O N D W.
S. W I L L I A M P E L L E T I E R
YUZURU SHIMIZU
DOSKOTCH
MABRY MALONE
Columbus, Ohio
A t h e n s , Georgia
K i n g s t o n , Rhode Island
N O R M A N R. F A R N S W O R T H
G E O R G E R.
V A R R O E. TYLER
Chicago, Illinois
T e m p e , Arizona
H E I N Z G. FLOSS
J. D A V I D P H I L L I P S O N
R. V E R P O O R T E
Columbus, Ohio
London, England
Leiden, T h e N e t h e r l a n d s
W I L L I A M J. K E L L E H E R
PIERRE POTIER
HlLDEBERT W A G N E R
Storrs, Connecticut
Gif-sur-Yvette, France
Munich, Federal Republic of Germany
PETTIT
W . Lafayette, Indiana
J O U R N A L O F N A T U R A L P R O D U C T S ® (Lloydia) (ISSN 0 1 6 3 - 3 8 6 4 ) is published b i m o n t h l y in February, April, J u n e , A u g u s t , O c t o b e r , and December by T h e American Society of Pharmacog nosy at 4 1 Carleton Drive, P i t t s b u r g h , PA 15243- Second-class postage paid at P i t t s b u r g h , P A , and additional mailing offices. P O S T M A S T E R : Send address changes to J O U R N A L O F N A T U R A L P R O D U C T S ® , P . O . Box 1 3 1 4 5 , P i t t s b u r g h , PA 1 5 2 4 3 . All manuscripts and correspondence dealing w i t h editorial matters should be addressed to the editor. T h e title word for this journal for use in bibliographic reference 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. COMMERCIAL SUBSCRIPTIONS Subscription orders from libraries, i n s t i t u t i o n s , commercial firms, and similar organizations will be treated as commercial subscriptions. All matters related to com mercial subscriptions, such as billing, change of address, ordering procedures, e t c . , should be addressed to: J o u r n a l of N a t u r a l Products®, c/o David J . Slatkin, P h . D . , Treasurer, American Society of P h a r m a c o g nosy, School of Pharmacy, 5 12 S a l k H a l l , University of P i t t s b u r g h , P i t t s b u r g h , PA 1 5 2 6 1 , U . S . A . P h o n e (412)648-8477. Domestic Commercial Subscriptions: $ 9 0 . 0 0 , including all addresses in the U n i t e d States and pos sessions, the D o m i n i o n of Canada, and the Republic of Mexico. Foreign Commercial Subscriptions: $ 1 1 5 . 0 0 , sent only by airmail to all other parts of the world, w i t h air postage included in the higher rate. Orders for subscriptions are due and payable d u r i n g the last quarter of the calendar year preceding the subscription year. Single copies: $ 15.00 plus postage. P R I N T E D BY T H E SPAHR A N D G L E N N C O M P A N Y , COLUMBUS, O H I O
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