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Pteris ryukyuensis

Pteris ryukyuensis Tagawa Kaempferol 3-O-a-L-rhamnoside (Afzelin) (332) 91... [Pg.256]

One of the two groups consists of 2P-hydroxy- kauranes. In these compounds, the glycosidic linkages are formed only with the 2P hydroxyl group and the C- and D-rings are oxygenated exclusively on the a-side. They have been isolated from Pteris cretica 334 335, 336, 337), P. plumbea (342), P. multifida (191), P. dactylina (191) and P. ryukyuensis (91). [Pg.65]

See other pages where Pteris ryukyuensis is mentioned: [Pg.172] [Pg.164] [Pg.189] [Pg.278] [Pg.284] [Pg.307] [Pg.172] [Pg.164] [Pg.189] [Pg.278] [Pg.284] [Pg.307] [Pg.135]