SEARCH Articles Figures Tables Atta-ur-Rahman synthesis of vincristine Kuehne s synthesis of vincristine Kutney s synthesis of vincristine Takano s synthesis of vincristine Vincristin Vincristine Vincristine Atta-ur-Rahman s first synthesis Vincristine Buchi s synthesis Vincristine Kuehne s synthesis Vincristine Magnus s synthesis Vincristine Potier s synthesis Vincristine Sehili s synthesis Vincristine Takano s synthesis Vincristine first synthesis