h n t a = media ~b~t~e s e a r~h Abstract During the TLC examination of extracts of leaves and young twigs of Mitragyna speciosa from Thailand [I] there was evidence of small quantities of oxindole alkaloids corresponding to C (9)-OCH, heteroyohimbine alkaloids and of possible indole N-oxides. Some of them were isolated and in order to identify these alkaloids it was essential to have authentic alkaloids for comparative purposes, which could only be
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.