Isomalindine-16-carboxylate, a Zwitterionic Alkaloid from Ophiorrhiza cf. communis

Isomalindine-16-carboxylate, a Zwitterionic Alkaloid from Ophiorrhiza cf. communis The Alkaloids of Ophiorrhiza cf. ferruginea Ophiorrhizine, a new quaternary indole alkaloid related to cinchonamine, from Ophiorrhiza major Ridl. Bracteatine, a Quaternary Glucoalkaloid from Ophiorrhiza bracteata Structure of ophiorines A and B; novel type gluco indole alkaloids isolated from ophiorrhiza spp. β-Carboline-type indole alkaloid glycosides from Ophiorrhiza trichocarpon Indole Alkaloids from Two Species of Ophiorrhiza Two Cationic Indole Alkaloids from Ophiorrhiza japonica and Their Xanthine Oxidase Inhibitory Activity Ophiuroidine, the first indolo[2,1-b]quinazoline alkaloid from the Caribbean brittle star Ophiocoma riisei A Cyclopeptide and a Tetrahydroisoquinoline Alkaloid from Ophiorrhiza nutans