1-(3-(O(4)-deacetyl-3-demethoxycarbonylvincaleukoblastinyl)carbonylamino)-2-methylpropylphosphonic acid diethylester sulfate
1-(3-(o(4)-deacetyl-3-demethoxycarbonylvincaleukoblastinyl)carbonylamino)-2-methylpropylphosphonic acid diethylester sulfate