... solution.Function and Purpose1) It mainly been applied for cancer of Digestive System, for example cancers of the stomach, gullet, cardia, ... of oral cavity, nake, face and head, bladder cancer and lung cancer etc. [Character]: Camptothecin is a quinoline-based alkaloid ... calculus exploded, curing the cancer in stomach, rectum and cystic, also has the good effects for chronic granulocytic leukemia. The ...