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Root bark of Alangium salvifolium (Linn.f.) Wang. (Family Alangiaceae) is a reputed drug mentioned in the ancient books of… Expand The plants of Psychotria ipecacuanha (Brot.) Stokes (Rubiaceae) are perennial subshrubs (20 40 cm), the natural habitat of which… Expand A large variety of natural products have been described as anti‐HIV agents, and for a portion thereof the target of interaction… Expand Two new Alangium alkaloids, 1',2'-dehydrotubulosine (1) and alangine (2), were isolated from the dried fruits of Alangium… Expand From the dried roots of Cephaelis acuminata, five ipecac alkaloids, neocephaeline, 7'-O-demethylcephaeline, 10-O… Expand Bioassay-guided phytochemical investigation of the stems of Pogonopus speciosus, using human oral epidermoid carcinoma (KB) cells… Expand A molecular modeling study of two alkaloids, tubulosine and psychotrine, isolated from the sap of Pogonopus speciosus, and other… Expand Psychotrine dihydrogen oxalate and O-methylpsychotrine sulfate heptahydrate (MP), the salts of isoquinoline alkaloids from ipecac… Expand