Structure of ophiorines A and B; novel type gluco indole alkaloids isolated from ophiorrhiza spp.

Structure of ophiorines A and B; novel type gluco indole alkaloids isolated from ophiorrhiza spp. β-Carboline-type indole alkaloid glycosides from Ophiorrhiza trichocarpon Two Cationic Indole Alkaloids from Ophiorrhiza japonica and Their Xanthine Oxidase Inhibitory Activity Ophiorrhines A and B, Two Immunosuppressive Monoterpenoid Indole Alkaloids from Ophiorrhiza japonica Bracteatine, a Quaternary Glucoalkaloid from Ophiorrhiza bracteata Ophiorrhizine, a new quaternary indole alkaloid related to cinchonamine, from Ophiorrhiza major Ridl. Glucoconjugated monoterpene indole alkaloids with xanthine oxidase inhibitory activity from Ophiorrhiza japonica Camptothecins and Two New Monoterpene Glucosides from Ophiorrhiza liukiuensis Unusual indole alkaloids from Ophiorrhiza blumeana Korth Three new oxygenated yohimbane-type alkaloids from Ophiorrhiza japonica