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Iridoids from Galium Aparine
(Swets Zeitlinger Publishers, 2001)
The isolation and UV, IR, H-1- and C-13-NMR data of asperulosidic acid, 10-deacetylasperulosidic acid from Galium aparine L. aerial parts are reported.
3,7-Dimethylguanine, A New Purine From A Philippine Sponge Zyzzya Fuliginosa
(Pharmaceutical Soc Japan, 2001)
A new purine 3,7-dimethylguanine (1) has been isolated from the marine sponge Zyzzya fuliginosa, along with the known metabolites. makaluvamines A, C, K (2-4), 4-hydroxyphenylacetic acid (5), methyl ester of 4-hydroxyphenylacetic ...
Trojanosides I-K: New Cycloartane-Type Glycosides From The Aerial Parts Of Astragalus Trojanus
(Pharmaceutical Soc Japan, 2001)
Three new cycloartane-type triterpene glycosides have been isolated from the aerial parts of Astragalus trojanus. The structures were established mainly by a combination of one- and two-dimensional NMR techniques ...