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 ເປັນ alkaloid ທໍາມະຊາດເກີດມາຈາກພືດ Camptotheca acuminata ທີ່ໄດ້ລະບຸໃນ anticancer ຫນ້າຈໍການຄົ້ນພົບຢາເສບຕິດໃນປີ 1960.