Action: material of irinotecan and SN-38 glucuronic acid
Physiochemical properties: Light yellow needle crystal, melting point:228°C~235°C, it is easy to deteriorate when meeting light. It slightly dissolves in methanol, alcohol and chloroform. It easily dissolves in the solution of chloroform and methanol and hardly in water. It can not form stable salt with acid.
Production process: derivatives form Camptothecin