Camptothecin is a naturally occurring alkaloid derived from the plant Camptotheca acuminata that was identified in an anticancer drug discovery screen in the 1960s.
Camptothecin kuyinto alkaloid zemvelo etholakala kulesi simila Camptotheca acuminata ukuthi zikhonjwe i anticancer ukutholakala kwezidakamizwa isikrini ngawo-1960.